Home / 70,568.18-97,381.13-38,737.82

Finding the Fourth Proportional to 70,568.18, 97,381.13 and 38,737.82

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Solution

The fourth proportional to 70,568.18, 97,381.13 and 38,737.82 is: 53,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,568.18 : 97,381.13 = 38,737.82 : x
  2. Step 2: Convert to fraction form
    70,568.18/97,381.13 = 38,737.82/x
  3. Step 3: Cross multiply
    70,568.18x = 97,381.13 × 38,737.82
  4. Step 4: Simplify right side
    70,568.18x = 3,772,332,004.74
  5. Step 5: Solve for x
    x = 3,772,332,004.74/70,568.18
  6. Step 6: Final answer
    x = 53,456.56

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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.