Home / 57,158.48-85,765.08-22,088.72

Finding the Fourth Proportional to 57,158.48, 85,765.08 and 22,088.72

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Solution

The fourth proportional to 57,158.48, 85,765.08 and 22,088.72 is: 33,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.48 : 85,765.08 = 22,088.72 : x
  2. Step 2: Convert to fraction form
    57,158.48/85,765.08 = 22,088.72/x
  3. Step 3: Cross multiply
    57,158.48x = 85,765.08 × 22,088.72
  4. Step 4: Simplify right side
    57,158.48x = 1,894,440,837.90
  5. Step 5: Solve for x
    x = 1,894,440,837.90/57,158.48
  6. Step 6: Final answer
    x = 33,143.65

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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.