Home / 86,125.77-118,826.13-52,123.38

Finding the Fourth Proportional to 86,125.77, 118,826.13 and 52,123.38

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Solution

The fourth proportional to 86,125.77, 118,826.13 and 52,123.38 is: 71,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.77 : 118,826.13 = 52,123.38 : x
  2. Step 2: Convert to fraction form
    86,125.77/118,826.13 = 52,123.38/x
  3. Step 3: Cross multiply
    86,125.77x = 118,826.13 × 52,123.38
  4. Step 4: Simplify right side
    86,125.77x = 6,193,619,527.92
  5. Step 5: Solve for x
    x = 6,193,619,527.92/86,125.77
  6. Step 6: Final answer
    x = 71,913.66

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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.