Home / 79,439.50-119,175.66-23,281.45

Finding the Fourth Proportional to 79,439.50, 119,175.66 and 23,281.45

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Solution

The fourth proportional to 79,439.50, 119,175.66 and 23,281.45 is: 34,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439.50 : 119,175.66 = 23,281.45 : x
  2. Step 2: Convert to fraction form
    79,439.50/119,175.66 = 23,281.45/x
  3. Step 3: Cross multiply
    79,439.50x = 119,175.66 × 23,281.45
  4. Step 4: Simplify right side
    79,439.50x = 2,774,581,871.57
  5. Step 5: Solve for x
    x = 2,774,581,871.57/79,439.50
  6. Step 6: Final answer
    x = 34,926.98

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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.