Home / 86,291.52-119,066.40-48,557.76

Finding the Fourth Proportional to 86,291.52, 119,066.40 and 48,557.76

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Solution

The fourth proportional to 86,291.52, 119,066.40 and 48,557.76 is: 67,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,291.52 : 119,066.40 = 48,557.76 : x
  2. Step 2: Convert to fraction form
    86,291.52/119,066.40 = 48,557.76/x
  3. Step 3: Cross multiply
    86,291.52x = 119,066.40 × 48,557.76
  4. Step 4: Simplify right side
    86,291.52x = 5,781,597,675.26
  5. Step 5: Solve for x
    x = 5,781,597,675.26/86,291.52
  6. Step 6: Final answer
    x = 67,000.76

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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.