Home / 88,177.74-121,666.35-52,379.82

Finding the Fourth Proportional to 88,177.74, 121,666.35 and 52,379.82

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Solution

The fourth proportional to 88,177.74, 121,666.35 and 52,379.82 is: 72,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.74 : 121,666.35 = 52,379.82 : x
  2. Step 2: Convert to fraction form
    88,177.74/121,666.35 = 52,379.82/x
  3. Step 3: Cross multiply
    88,177.74x = 121,666.35 × 52,379.82
  4. Step 4: Simplify right side
    88,177.74x = 6,372,861,513.06
  5. Step 5: Solve for x
    x = 6,372,861,513.06/88,177.74
  6. Step 6: Final answer
    x = 72,272.91

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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.