Home / 83,020.46-124,521.45-29,710.28

Finding the Fourth Proportional to 83,020.46, 124,521.45 and 29,710.28

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Solution

The fourth proportional to 83,020.46, 124,521.45 and 29,710.28 is: 44,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,020.46 : 124,521.45 = 29,710.28 : x
  2. Step 2: Convert to fraction form
    83,020.46/124,521.45 = 29,710.28/x
  3. Step 3: Cross multiply
    83,020.46x = 124,521.45 × 29,710.28
  4. Step 4: Simplify right side
    83,020.46x = 3,699,567,145.51
  5. Step 5: Solve for x
    x = 3,699,567,145.51/83,020.46
  6. Step 6: Final answer
    x = 44,562.12

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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.