Home / 83,938.96-125,887.68-52,332.75

Finding the Fourth Proportional to 83,938.96, 125,887.68 and 52,332.75

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Solution

The fourth proportional to 83,938.96, 125,887.68 and 52,332.75 is: 78,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,938.96 : 125,887.68 = 52,332.75 : x
  2. Step 2: Convert to fraction form
    83,938.96/125,887.68 = 52,332.75/x
  3. Step 3: Cross multiply
    83,938.96x = 125,887.68 × 52,332.75
  4. Step 4: Simplify right side
    83,938.96x = 6,588,048,944.93
  5. Step 5: Solve for x
    x = 6,588,048,944.93/83,938.96
  6. Step 6: Final answer
    x = 78,486.19

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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.