Home / 79,904.34-110,220.48-51,626.70

Finding the Fourth Proportional to 79,904.34, 110,220.48 and 51,626.70

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Solution

The fourth proportional to 79,904.34, 110,220.48 and 51,626.70 is: 71,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,904.34 : 110,220.48 = 51,626.70 : x
  2. Step 2: Convert to fraction form
    79,904.34/110,220.48 = 51,626.70/x
  3. Step 3: Cross multiply
    79,904.34x = 110,220.48 × 51,626.70
  4. Step 4: Simplify right side
    79,904.34x = 5,690,319,654.82
  5. Step 5: Solve for x
    x = 5,690,319,654.82/79,904.34
  6. Step 6: Final answer
    x = 71,214.15

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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.