Home / 89,389.12-123,347.84-51,675.52

Finding the Fourth Proportional to 89,389.12, 123,347.84 and 51,675.52

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Solution

The fourth proportional to 89,389.12, 123,347.84 and 51,675.52 is: 71,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,389.12 : 123,347.84 = 51,675.52 : x
  2. Step 2: Convert to fraction form
    89,389.12/123,347.84 = 51,675.52/x
  3. Step 3: Cross multiply
    89,389.12x = 123,347.84 × 51,675.52
  4. Step 4: Simplify right side
    89,389.12x = 6,374,063,772.88
  5. Step 5: Solve for x
    x = 6,374,063,772.88/89,389.12
  6. Step 6: Final answer
    x = 71,306.93

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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.