Home / 91,337.12-137,083.44-35,972

Finding the Fourth Proportional to 91,337.12, 137,083.44 and 35,972

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Solution

The fourth proportional to 91,337.12, 137,083.44 and 35,972 is: 53,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,337.12 : 137,083.44 = 35,972 : x
  2. Step 2: Convert to fraction form
    91,337.12/137,083.44 = 35,972/x
  3. Step 3: Cross multiply
    91,337.12x = 137,083.44 × 35,972
  4. Step 4: Simplify right side
    91,337.12x = 4,931,165,503.68
  5. Step 5: Solve for x
    x = 4,931,165,503.68/91,337.12
  6. Step 6: Final answer
    x = 53,988.62

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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.