Home / 67,972.13-93,802.76-37,760.21

Finding the Fourth Proportional to 67,972.13, 93,802.76 and 37,760.21

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Solution

The fourth proportional to 67,972.13, 93,802.76 and 37,760.21 is: 52,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,972.13 : 93,802.76 = 37,760.21 : x
  2. Step 2: Convert to fraction form
    67,972.13/93,802.76 = 37,760.21/x
  3. Step 3: Cross multiply
    67,972.13x = 93,802.76 × 37,760.21
  4. Step 4: Simplify right side
    67,972.13x = 3,542,011,916.18
  5. Step 5: Solve for x
    x = 3,542,011,916.18/67,972.13
  6. Step 6: Final answer
    x = 52,109.77

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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.