Home / 82,686.30-124,029.21-22,714.83

Finding the Fourth Proportional to 82,686.30, 124,029.21 and 22,714.83

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Solution

The fourth proportional to 82,686.30, 124,029.21 and 22,714.83 is: 34,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,686.30 : 124,029.21 = 22,714.83 : x
  2. Step 2: Convert to fraction form
    82,686.30/124,029.21 = 22,714.83/x
  3. Step 3: Cross multiply
    82,686.30x = 124,029.21 × 22,714.83
  4. Step 4: Simplify right side
    82,686.30x = 2,817,302,420.18
  5. Step 5: Solve for x
    x = 2,817,302,420.18/82,686.30
  6. Step 6: Final answer
    x = 34,072.18

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1.5x scale

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.