Home / 93,747.78-129,371.18-51,306.21

Finding the Fourth Proportional to 93,747.78, 129,371.18 and 51,306.21

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Solution

The fourth proportional to 93,747.78, 129,371.18 and 51,306.21 is: 70,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,747.78 : 129,371.18 = 51,306.21 : x
  2. Step 2: Convert to fraction form
    93,747.78/129,371.18 = 51,306.21/x
  3. Step 3: Cross multiply
    93,747.78x = 129,371.18 × 51,306.21
  4. Step 4: Simplify right side
    93,747.78x = 6,637,544,672.50
  5. Step 5: Solve for x
    x = 6,637,544,672.50/93,747.78
  6. Step 6: Final answer
    x = 70,802.15

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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.