Home / 52,442.25-72,370.81-29,781.72

Finding the Fourth Proportional to 52,442.25, 72,370.81 and 29,781.72

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Solution

The fourth proportional to 52,442.25, 72,370.81 and 29,781.72 is: 41,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.25 : 72,370.81 = 29,781.72 : x
  2. Step 2: Convert to fraction form
    52,442.25/72,370.81 = 29,781.72/x
  3. Step 3: Cross multiply
    52,442.25x = 72,370.81 × 29,781.72
  4. Step 4: Simplify right side
    52,442.25x = 2,155,326,688.83
  5. Step 5: Solve for x
    x = 2,155,326,688.83/52,442.25
  6. Step 6: Final answer
    x = 41,099.05

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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.