Home / 91,539.68-137,324.32-28,344.95

Finding the Fourth Proportional to 91,539.68, 137,324.32 and 28,344.95

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Solution

The fourth proportional to 91,539.68, 137,324.32 and 28,344.95 is: 42,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539.68 : 137,324.32 = 28,344.95 : x
  2. Step 2: Convert to fraction form
    91,539.68/137,324.32 = 28,344.95/x
  3. Step 3: Cross multiply
    91,539.68x = 137,324.32 × 28,344.95
  4. Step 4: Simplify right side
    91,539.68x = 3,892,450,368.42
  5. Step 5: Solve for x
    x = 3,892,450,368.42/91,539.68
  6. Step 6: Final answer
    x = 42,522.00

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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.