Home / 70,593.20-97,418.32-38,761.28

Finding the Fourth Proportional to 70,593.20, 97,418.32 and 38,761.28

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Solution

The fourth proportional to 70,593.20, 97,418.32 and 38,761.28 is: 53,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.20 : 97,418.32 = 38,761.28 : x
  2. Step 2: Convert to fraction form
    70,593.20/97,418.32 = 38,761.28/x
  3. Step 3: Cross multiply
    70,593.20x = 97,418.32 × 38,761.28
  4. Step 4: Simplify right side
    70,593.20x = 3,776,058,778.65
  5. Step 5: Solve for x
    x = 3,776,058,778.65/70,593.20
  6. Step 6: Final answer
    x = 53,490.40

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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.