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Finding the Fourth Proportional to 72,888.85, 109,333.28 and 41,702.23

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Solution

The fourth proportional to 72,888.85, 109,333.28 and 41,702.23 is: 62,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,888.85 : 109,333.28 = 41,702.23 : x
  2. Step 2: Convert to fraction form
    72,888.85/109,333.28 = 41,702.23/x
  3. Step 3: Cross multiply
    72,888.85x = 109,333.28 × 41,702.23
  4. Step 4: Simplify right side
    72,888.85x = 4,559,441,589.21
  5. Step 5: Solve for x
    x = 4,559,441,589.21/72,888.85
  6. Step 6: Final answer
    x = 62,553.35

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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.