Home / 79,721.60-119,426.72-48,479.36

Finding the Fourth Proportional to 79,721.60, 119,426.72 and 48,479.36

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Solution

The fourth proportional to 79,721.60, 119,426.72 and 48,479.36 is: 72,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721.60 : 119,426.72 = 48,479.36 : x
  2. Step 2: Convert to fraction form
    79,721.60/119,426.72 = 48,479.36/x
  3. Step 3: Cross multiply
    79,721.60x = 119,426.72 × 48,479.36
  4. Step 4: Simplify right side
    79,721.60x = 5,789,730,952.50
  5. Step 5: Solve for x
    x = 5,789,730,952.50/79,721.60
  6. Step 6: Final answer
    x = 72,624.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.