Home / 83,118.40-124,678.08-27,714.24

Finding the Fourth Proportional to 83,118.40, 124,678.08 and 27,714.24

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Solution

The fourth proportional to 83,118.40, 124,678.08 and 27,714.24 is: 41,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118.40 : 124,678.08 = 27,714.24 : x
  2. Step 2: Convert to fraction form
    83,118.40/124,678.08 = 27,714.24/x
  3. Step 3: Cross multiply
    83,118.40x = 124,678.08 × 27,714.24
  4. Step 4: Simplify right side
    83,118.40x = 3,455,358,231.86
  5. Step 5: Solve for x
    x = 3,455,358,231.86/83,118.40
  6. Step 6: Final answer
    x = 41,571.52

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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.