Home / 85,044.80-127,582.68-35,115.20

Finding the Fourth Proportional to 85,044.80, 127,582.68 and 35,115.20

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Solution

The fourth proportional to 85,044.80, 127,582.68 and 35,115.20 is: 52,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,044.80 : 127,582.68 = 35,115.20 : x
  2. Step 2: Convert to fraction form
    85,044.80/127,582.68 = 35,115.20/x
  3. Step 3: Cross multiply
    85,044.80x = 127,582.68 × 35,115.20
  4. Step 4: Simplify right side
    85,044.80x = 4,480,091,324.74
  5. Step 5: Solve for x
    x = 4,480,091,324.74/85,044.80
  6. Step 6: Final answer
    x = 52,679.19

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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.