Home / 89,729.22-134,594.88-38,430.96

Finding the Fourth Proportional to 89,729.22, 134,594.88 and 38,430.96

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Solution

The fourth proportional to 89,729.22, 134,594.88 and 38,430.96 is: 57,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,729.22 : 134,594.88 = 38,430.96 : x
  2. Step 2: Convert to fraction form
    89,729.22/134,594.88 = 38,430.96/x
  3. Step 3: Cross multiply
    89,729.22x = 134,594.88 × 38,430.96
  4. Step 4: Simplify right side
    89,729.22x = 5,172,610,449.48
  5. Step 5: Solve for x
    x = 5,172,610,449.48/89,729.22
  6. Step 6: Final answer
    x = 57,646.89

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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.