Home / 82,829.12-124,306.62-60,700.28

Finding the Fourth Proportional to 82,829.12, 124,306.62 and 60,700.28

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Solution

The fourth proportional to 82,829.12, 124,306.62 and 60,700.28 is: 91,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829.12 : 124,306.62 = 60,700.28 : x
  2. Step 2: Convert to fraction form
    82,829.12/124,306.62 = 60,700.28/x
  3. Step 3: Cross multiply
    82,829.12x = 124,306.62 × 60,700.28
  4. Step 4: Simplify right side
    82,829.12x = 7,545,446,639.85
  5. Step 5: Solve for x
    x = 7,545,446,639.85/82,829.12
  6. Step 6: Final answer
    x = 91,096.54

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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.