Home / 91,468.06-137,226.72-47,070.61

Finding the Fourth Proportional to 91,468.06, 137,226.72 and 47,070.61

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Solution

The fourth proportional to 91,468.06, 137,226.72 and 47,070.61 is: 70,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,468.06 : 137,226.72 = 47,070.61 : x
  2. Step 2: Convert to fraction form
    91,468.06/137,226.72 = 47,070.61/x
  3. Step 3: Cross multiply
    91,468.06x = 137,226.72 × 47,070.61
  4. Step 4: Simplify right side
    91,468.06x = 6,459,345,418.70
  5. Step 5: Solve for x
    x = 6,459,345,418.70/91,468.06
  6. Step 6: Final answer
    x = 70,618.59

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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.