Home / 86,788.18-119,778.78-48,549.85

Finding the Fourth Proportional to 86,788.18, 119,778.78 and 48,549.85

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Solution

The fourth proportional to 86,788.18, 119,778.78 and 48,549.85 is: 67,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,788.18 : 119,778.78 = 48,549.85 : x
  2. Step 2: Convert to fraction form
    86,788.18/119,778.78 = 48,549.85/x
  3. Step 3: Cross multiply
    86,788.18x = 119,778.78 × 48,549.85
  4. Step 4: Simplify right side
    86,788.18x = 5,815,241,802.18
  5. Step 5: Solve for x
    x = 5,815,241,802.18/86,788.18
  6. Step 6: Final answer
    x = 67,005.00

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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.