Home / 70,062.13-96,688.07-38,232.78

Finding the Fourth Proportional to 70,062.13, 96,688.07 and 38,232.78

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Solution

The fourth proportional to 70,062.13, 96,688.07 and 38,232.78 is: 52,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,062.13 : 96,688.07 = 38,232.78 : x
  2. Step 2: Convert to fraction form
    70,062.13/96,688.07 = 38,232.78/x
  3. Step 3: Cross multiply
    70,062.13x = 96,688.07 × 38,232.78
  4. Step 4: Simplify right side
    70,062.13x = 3,696,653,708.93
  5. Step 5: Solve for x
    x = 3,696,653,708.93/70,062.13
  6. Step 6: Final answer
    x = 52,762.51

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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.