Home / 88,938.31-122,766.12-54,972.85

Finding the Fourth Proportional to 88,938.31, 122,766.12 and 54,972.85

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Solution

The fourth proportional to 88,938.31, 122,766.12 and 54,972.85 is: 75,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,938.31 : 122,766.12 = 54,972.85 : x
  2. Step 2: Convert to fraction form
    88,938.31/122,766.12 = 54,972.85/x
  3. Step 3: Cross multiply
    88,938.31x = 122,766.12 × 54,972.85
  4. Step 4: Simplify right side
    88,938.31x = 6,748,803,499.84
  5. Step 5: Solve for x
    x = 6,748,803,499.84/88,938.31
  6. Step 6: Final answer
    x = 75,881.85

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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.