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Finding the Fourth Proportional to 91,941.60, 137,912.40 and 29,612.10

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Solution

The fourth proportional to 91,941.60, 137,912.40 and 29,612.10 is: 44,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,941.60 : 137,912.40 = 29,612.10 : x
  2. Step 2: Convert to fraction form
    91,941.60/137,912.40 = 29,612.10/x
  3. Step 3: Cross multiply
    91,941.60x = 137,912.40 × 29,612.10
  4. Step 4: Simplify right side
    91,941.60x = 4,083,875,780.04
  5. Step 5: Solve for x
    x = 4,083,875,780.04/91,941.60
  6. Step 6: Final answer
    x = 44,418.15

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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.