Home / 56,938.10-85,205.55-49,622.90

Finding the Fourth Proportional to 56,938.10, 85,205.55 and 49,622.90

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Solution

The fourth proportional to 56,938.10, 85,205.55 and 49,622.90 is: 74,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.10 : 85,205.55 = 49,622.90 : x
  2. Step 2: Convert to fraction form
    56,938.10/85,205.55 = 49,622.90/x
  3. Step 3: Cross multiply
    56,938.10x = 85,205.55 × 49,622.90
  4. Step 4: Simplify right side
    56,938.10x = 4,228,146,487.10
  5. Step 5: Solve for x
    x = 4,228,146,487.10/56,938.10
  6. Step 6: Final answer
    x = 74,258.65

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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.