Home / 57,253.35-85,792.44-30,603.13

Finding the Fourth Proportional to 57,253.35, 85,792.44 and 30,603.13

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Solution

The fourth proportional to 57,253.35, 85,792.44 and 30,603.13 is: 45,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.35 : 85,792.44 = 30,603.13 : x
  2. Step 2: Convert to fraction form
    57,253.35/85,792.44 = 30,603.13/x
  3. Step 3: Cross multiply
    57,253.35x = 85,792.44 × 30,603.13
  4. Step 4: Simplify right side
    57,253.35x = 2,625,516,979.86
  5. Step 5: Solve for x
    x = 2,625,516,979.86/57,253.35
  6. Step 6: Final answer
    x = 45,857.88

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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.