Home / 72,246.30-108,175.05-56,564.70

Finding the Fourth Proportional to 72,246.30, 108,175.05 and 56,564.70

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Solution

The fourth proportional to 72,246.30, 108,175.05 and 56,564.70 is: 84,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,246.30 : 108,175.05 = 56,564.70 : x
  2. Step 2: Convert to fraction form
    72,246.30/108,175.05 = 56,564.70/x
  3. Step 3: Cross multiply
    72,246.30x = 108,175.05 × 56,564.70
  4. Step 4: Simplify right side
    72,246.30x = 6,118,889,250.74
  5. Step 5: Solve for x
    x = 6,118,889,250.74/72,246.30
  6. Step 6: Final answer
    x = 84,694.85

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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.