Home / 86,338.61-119,145.49-48,098.11

Finding the Fourth Proportional to 86,338.61, 119,145.49 and 48,098.11

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Solution

The fourth proportional to 86,338.61, 119,145.49 and 48,098.11 is: 66,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,338.61 : 119,145.49 = 48,098.11 : x
  2. Step 2: Convert to fraction form
    86,338.61/119,145.49 = 48,098.11/x
  3. Step 3: Cross multiply
    86,338.61x = 119,145.49 × 48,098.11
  4. Step 4: Simplify right side
    86,338.61x = 5,730,672,242.52
  5. Step 5: Solve for x
    x = 5,730,672,242.52/86,338.61
  6. Step 6: Final answer
    x = 66,374.39

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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.