Home / 89,858.76-134,788.68-39,927.12

Finding the Fourth Proportional to 89,858.76, 134,788.68 and 39,927.12

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Solution

The fourth proportional to 89,858.76, 134,788.68 and 39,927.12 is: 59,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858.76 : 134,788.68 = 39,927.12 : x
  2. Step 2: Convert to fraction form
    89,858.76/134,788.68 = 39,927.12/x
  3. Step 3: Cross multiply
    89,858.76x = 134,788.68 × 39,927.12
  4. Step 4: Simplify right side
    89,858.76x = 5,381,723,801.00
  5. Step 5: Solve for x
    x = 5,381,723,801.00/89,858.76
  6. Step 6: Final answer
    x = 59,890.92

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1.5x scale

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.