Home / 114,073.92-157,397.28-63,771.20

Finding the Fourth Proportional to 114,073.92, 157,397.28 and 63,771.20

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Solution

The fourth proportional to 114,073.92, 157,397.28 and 63,771.20 is: 87,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,073.92 : 157,397.28 = 63,771.20 : x
  2. Step 2: Convert to fraction form
    114,073.92/157,397.28 = 63,771.20/x
  3. Step 3: Cross multiply
    114,073.92x = 157,397.28 × 63,771.20
  4. Step 4: Simplify right side
    114,073.92x = 10,037,413,422.34
  5. Step 5: Solve for x
    x = 10,037,413,422.34/114,073.92
  6. Step 6: Final answer
    x = 87,990.43

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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.