Home / 80,425.47-111,002.91-46,455.90

Finding the Fourth Proportional to 80,425.47, 111,002.91 and 46,455.90

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Solution

The fourth proportional to 80,425.47, 111,002.91 and 46,455.90 is: 64,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,425.47 : 111,002.91 = 46,455.90 : x
  2. Step 2: Convert to fraction form
    80,425.47/111,002.91 = 46,455.90/x
  3. Step 3: Cross multiply
    80,425.47x = 111,002.91 × 46,455.90
  4. Step 4: Simplify right side
    80,425.47x = 5,156,740,086.67
  5. Step 5: Solve for x
    x = 5,156,740,086.67/80,425.47
  6. Step 6: Final answer
    x = 64,118.25

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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.