Home / 86,472.61-119,337.69-48,749.29

Finding the Fourth Proportional to 86,472.61, 119,337.69 and 48,749.29

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Solution

The fourth proportional to 86,472.61, 119,337.69 and 48,749.29 is: 67,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472.61 : 119,337.69 = 48,749.29 : x
  2. Step 2: Convert to fraction form
    86,472.61/119,337.69 = 48,749.29/x
  3. Step 3: Cross multiply
    86,472.61x = 119,337.69 × 48,749.29
  4. Step 4: Simplify right side
    86,472.61x = 5,817,627,657.74
  5. Step 5: Solve for x
    x = 5,817,627,657.74/86,472.61
  6. Step 6: Final answer
    x = 67,277.11

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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.