Home / 96,839.56-145,531.50-57,402.28

Finding the Fourth Proportional to 96,839.56, 145,531.50 and 57,402.28

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Solution

The fourth proportional to 96,839.56, 145,531.50 and 57,402.28 is: 86,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,839.56 : 145,531.50 = 57,402.28 : x
  2. Step 2: Convert to fraction form
    96,839.56/145,531.50 = 57,402.28/x
  3. Step 3: Cross multiply
    96,839.56x = 145,531.50 × 57,402.28
  4. Step 4: Simplify right side
    96,839.56x = 8,353,839,911.82
  5. Step 5: Solve for x
    x = 8,353,839,911.82/96,839.56
  6. Step 6: Final answer
    x = 86,264.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.