Home / 72,211.42-108,307.10-22,293.16

Finding the Fourth Proportional to 72,211.42, 108,307.10 and 22,293.16

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Solution

The fourth proportional to 72,211.42, 108,307.10 and 22,293.16 is: 33,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.42 : 108,307.10 = 22,293.16 : x
  2. Step 2: Convert to fraction form
    72,211.42/108,307.10 = 22,293.16/x
  3. Step 3: Cross multiply
    72,211.42x = 108,307.10 × 22,293.16
  4. Step 4: Simplify right side
    72,211.42x = 2,414,506,967.90
  5. Step 5: Solve for x
    x = 2,414,506,967.90/72,211.42
  6. Step 6: Final answer
    x = 33,436.64

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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.