Home / 71,983.10-99,311.19-48,124.82

Finding the Fourth Proportional to 71,983.10, 99,311.19 and 48,124.82

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Solution

The fourth proportional to 71,983.10, 99,311.19 and 48,124.82 is: 66,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,983.10 : 99,311.19 = 48,124.82 : x
  2. Step 2: Convert to fraction form
    71,983.10/99,311.19 = 48,124.82/x
  3. Step 3: Cross multiply
    71,983.10x = 99,311.19 × 48,124.82
  4. Step 4: Simplify right side
    71,983.10x = 4,779,333,142.74
  5. Step 5: Solve for x
    x = 4,779,333,142.74/71,983.10
  6. Step 6: Final answer
    x = 66,395.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.