Home / 86,635.92-119,576.52-54,847.20

Finding the Fourth Proportional to 86,635.92, 119,576.52 and 54,847.20

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Solution

The fourth proportional to 86,635.92, 119,576.52 and 54,847.20 is: 75,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,635.92 : 119,576.52 = 54,847.20 : x
  2. Step 2: Convert to fraction form
    86,635.92/119,576.52 = 54,847.20/x
  3. Step 3: Cross multiply
    86,635.92x = 119,576.52 × 54,847.20
  4. Step 4: Simplify right side
    86,635.92x = 6,558,437,307.74
  5. Step 5: Solve for x
    x = 6,558,437,307.74/86,635.92
  6. Step 6: Final answer
    x = 75,701.13

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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.