Home / 85,114.38-127,628.85-49,587.18

Finding the Fourth Proportional to 85,114.38, 127,628.85 and 49,587.18

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Solution

The fourth proportional to 85,114.38, 127,628.85 and 49,587.18 is: 74,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,114.38 : 127,628.85 = 49,587.18 : x
  2. Step 2: Convert to fraction form
    85,114.38/127,628.85 = 49,587.18/x
  3. Step 3: Cross multiply
    85,114.38x = 127,628.85 × 49,587.18
  4. Step 4: Simplify right side
    85,114.38x = 6,328,754,758.14
  5. Step 5: Solve for x
    x = 6,328,754,758.14/85,114.38
  6. Step 6: Final answer
    x = 74,355.88

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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.