Home / 52,404.87-72,316.32-28,531.50

Finding the Fourth Proportional to 52,404.87, 72,316.32 and 28,531.50

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Solution

The fourth proportional to 52,404.87, 72,316.32 and 28,531.50 is: 39,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,404.87 : 72,316.32 = 28,531.50 : x
  2. Step 2: Convert to fraction form
    52,404.87/72,316.32 = 28,531.50/x
  3. Step 3: Cross multiply
    52,404.87x = 72,316.32 × 28,531.50
  4. Step 4: Simplify right side
    52,404.87x = 2,063,293,084.08
  5. Step 5: Solve for x
    x = 2,063,293,084.08/52,404.87
  6. Step 6: Final answer
    x = 39,372.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.