Home / 70,168.89-96,829.55-38,331.93

Finding the Fourth Proportional to 70,168.89, 96,829.55 and 38,331.93

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Solution

The fourth proportional to 70,168.89, 96,829.55 and 38,331.93 is: 52,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.89 : 96,829.55 = 38,331.93 : x
  2. Step 2: Convert to fraction form
    70,168.89/96,829.55 = 38,331.93/x
  3. Step 3: Cross multiply
    70,168.89x = 96,829.55 × 38,331.93
  4. Step 4: Simplify right side
    70,168.89x = 3,711,663,340.87
  5. Step 5: Solve for x
    x = 3,711,663,340.87/70,168.89
  6. Step 6: Final answer
    x = 52,896.14

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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.