Home / 87,363.16-120,598.56-60,177.40

Finding the Fourth Proportional to 87,363.16, 120,598.56 and 60,177.40

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Solution

The fourth proportional to 87,363.16, 120,598.56 and 60,177.40 is: 83,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363.16 : 120,598.56 = 60,177.40 : x
  2. Step 2: Convert to fraction form
    87,363.16/120,598.56 = 60,177.40/x
  3. Step 3: Cross multiply
    87,363.16x = 120,598.56 × 60,177.40
  4. Step 4: Simplify right side
    87,363.16x = 7,257,307,784.54
  5. Step 5: Solve for x
    x = 7,257,307,784.54/87,363.16
  6. Step 6: Final answer
    x = 83,070.57

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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.