Home / 79,304.85-109,440.18-45,323.73

Finding the Fourth Proportional to 79,304.85, 109,440.18 and 45,323.73

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Solution

The fourth proportional to 79,304.85, 109,440.18 and 45,323.73 is: 62,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,304.85 : 109,440.18 = 45,323.73 : x
  2. Step 2: Convert to fraction form
    79,304.85/109,440.18 = 45,323.73/x
  3. Step 3: Cross multiply
    79,304.85x = 109,440.18 × 45,323.73
  4. Step 4: Simplify right side
    79,304.85x = 4,960,237,169.47
  5. Step 5: Solve for x
    x = 4,960,237,169.47/79,304.85
  6. Step 6: Final answer
    x = 62,546.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.