Home / 85,763.13-118,353.11-52,229.13

Finding the Fourth Proportional to 85,763.13, 118,353.11 and 52,229.13

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Solution

The fourth proportional to 85,763.13, 118,353.11 and 52,229.13 is: 72,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,763.13 : 118,353.11 = 52,229.13 : x
  2. Step 2: Convert to fraction form
    85,763.13/118,353.11 = 52,229.13/x
  3. Step 3: Cross multiply
    85,763.13x = 118,353.11 × 52,229.13
  4. Step 4: Simplify right side
    85,763.13x = 6,181,479,968.09
  5. Step 5: Solve for x
    x = 6,181,479,968.09/85,763.13
  6. Step 6: Final answer
    x = 72,076.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.