Home / 82,842.13-124,267.65-26,678.15

Finding the Fourth Proportional to 82,842.13, 124,267.65 and 26,678.15

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Solution

The fourth proportional to 82,842.13, 124,267.65 and 26,678.15 is: 40,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,842.13 : 124,267.65 = 26,678.15 : x
  2. Step 2: Convert to fraction form
    82,842.13/124,267.65 = 26,678.15/x
  3. Step 3: Cross multiply
    82,842.13x = 124,267.65 × 26,678.15
  4. Step 4: Simplify right side
    82,842.13x = 3,315,231,006.85
  5. Step 5: Solve for x
    x = 3,315,231,006.85/82,842.13
  6. Step 6: Final answer
    x = 40,018.66

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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.