Home / 85,104.16-127,613.34-49,577.20

Finding the Fourth Proportional to 85,104.16, 127,613.34 and 49,577.20

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Solution

The fourth proportional to 85,104.16, 127,613.34 and 49,577.20 is: 74,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104.16 : 127,613.34 = 49,577.20 : x
  2. Step 2: Convert to fraction form
    85,104.16/127,613.34 = 49,577.20/x
  3. Step 3: Cross multiply
    85,104.16x = 127,613.34 × 49,577.20
  4. Step 4: Simplify right side
    85,104.16x = 6,326,712,079.85
  5. Step 5: Solve for x
    x = 6,326,712,079.85/85,104.16
  6. Step 6: Final answer
    x = 74,340.81

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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.