Home / 86,373.08-129,266.76-53,114.04

Finding the Fourth Proportional to 86,373.08, 129,266.76 and 53,114.04

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Solution

The fourth proportional to 86,373.08, 129,266.76 and 53,114.04 is: 79,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373.08 : 129,266.76 = 53,114.04 : x
  2. Step 2: Convert to fraction form
    86,373.08/129,266.76 = 53,114.04/x
  3. Step 3: Cross multiply
    86,373.08x = 129,266.76 × 53,114.04
  4. Step 4: Simplify right side
    86,373.08x = 6,865,879,861.31
  5. Step 5: Solve for x
    x = 6,865,879,861.31/86,373.08
  6. Step 6: Final answer
    x = 79,490.97

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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.