Home / 276,976.02-415,463.90-66,613.89

Finding the Fourth Proportional to 276,976.02, 415,463.90 and 66,613.89

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Solution

The fourth proportional to 276,976.02, 415,463.90 and 66,613.89 is: 99,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,976.02 : 415,463.90 = 66,613.89 : x
  2. Step 2: Convert to fraction form
    276,976.02/415,463.90 = 66,613.89/x
  3. Step 3: Cross multiply
    276,976.02x = 415,463.90 × 66,613.89
  4. Step 4: Simplify right side
    276,976.02x = 27,675,666,200.50
  5. Step 5: Solve for x
    x = 27,675,666,200.50/276,976.02
  6. Step 6: Final answer
    x = 99,920.80

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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.