Home / 86,340.42-119,147.98-48,099.92

Finding the Fourth Proportional to 86,340.42, 119,147.98 and 48,099.92

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Solution

The fourth proportional to 86,340.42, 119,147.98 and 48,099.92 is: 66,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,340.42 : 119,147.98 = 48,099.92 : x
  2. Step 2: Convert to fraction form
    86,340.42/119,147.98 = 48,099.92/x
  3. Step 3: Cross multiply
    86,340.42x = 119,147.98 × 48,099.92
  4. Step 4: Simplify right side
    86,340.42x = 5,731,008,306.16
  5. Step 5: Solve for x
    x = 5,731,008,306.16/86,340.42
  6. Step 6: Final answer
    x = 66,376.89

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1.5x scale

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.