Home / 85,109.10-127,620.90-49,582.14

Finding the Fourth Proportional to 85,109.10, 127,620.90 and 49,582.14

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Solution

The fourth proportional to 85,109.10, 127,620.90 and 49,582.14 is: 74,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109.10 : 127,620.90 = 49,582.14 : x
  2. Step 2: Convert to fraction form
    85,109.10/127,620.90 = 49,582.14/x
  3. Step 3: Cross multiply
    85,109.10x = 127,620.90 × 49,582.14
  4. Step 4: Simplify right side
    85,109.10x = 6,327,717,330.73
  5. Step 5: Solve for x
    x = 6,327,717,330.73/85,109.10
  6. Step 6: Final answer
    x = 74,348.31

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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.