Home / 57,322.31-85,402.35-54,499.10

Finding the Fourth Proportional to 57,322.31, 85,402.35 and 54,499.10

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Solution

The fourth proportional to 57,322.31, 85,402.35 and 54,499.10 is: 81,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322.31 : 85,402.35 = 54,499.10 : x
  2. Step 2: Convert to fraction form
    57,322.31/85,402.35 = 54,499.10/x
  3. Step 3: Cross multiply
    57,322.31x = 85,402.35 × 54,499.10
  4. Step 4: Simplify right side
    57,322.31x = 4,654,350,785.87
  5. Step 5: Solve for x
    x = 4,654,350,785.87/57,322.31
  6. Step 6: Final answer
    x = 81,196.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.