Home / 84,985.30-127,526.55-58,708.90

Finding the Fourth Proportional to 84,985.30, 127,526.55 and 58,708.90

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Solution

The fourth proportional to 84,985.30, 127,526.55 and 58,708.90 is: 88,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,985.30 : 127,526.55 = 58,708.90 : x
  2. Step 2: Convert to fraction form
    84,985.30/127,526.55 = 58,708.90/x
  3. Step 3: Cross multiply
    84,985.30x = 127,526.55 × 58,708.90
  4. Step 4: Simplify right side
    84,985.30x = 7,486,943,471.30
  5. Step 5: Solve for x
    x = 7,486,943,471.30/84,985.30
  6. Step 6: Final answer
    x = 88,096.92

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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.