Home / 69,981.48-96,574.14-38,150.10

Finding the Fourth Proportional to 69,981.48, 96,574.14 and 38,150.10

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Solution

The fourth proportional to 69,981.48, 96,574.14 and 38,150.10 is: 52,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.48 : 96,574.14 = 38,150.10 : x
  2. Step 2: Convert to fraction form
    69,981.48/96,574.14 = 38,150.10/x
  3. Step 3: Cross multiply
    69,981.48x = 96,574.14 × 38,150.10
  4. Step 4: Simplify right side
    69,981.48x = 3,684,313,098.41
  5. Step 5: Solve for x
    x = 3,684,313,098.41/69,981.48
  6. Step 6: Final answer
    x = 52,646.97

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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.