Home / 84,765.60-127,142.19-34,832.16

Finding the Fourth Proportional to 84,765.60, 127,142.19 and 34,832.16

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Solution

The fourth proportional to 84,765.60, 127,142.19 and 34,832.16 is: 52,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765.60 : 127,142.19 = 34,832.16 : x
  2. Step 2: Convert to fraction form
    84,765.60/127,142.19 = 34,832.16/x
  3. Step 3: Cross multiply
    84,765.60x = 127,142.19 × 34,832.16
  4. Step 4: Simplify right side
    84,765.60x = 4,428,637,104.83
  5. Step 5: Solve for x
    x = 4,428,637,104.83/84,765.60
  6. Step 6: Final answer
    x = 52,245.69

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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.