Home / 61,750.26-85,152.91-54,922.72

Finding the Fourth Proportional to 61,750.26, 85,152.91 and 54,922.72

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Solution

The fourth proportional to 61,750.26, 85,152.91 and 54,922.72 is: 75,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.26 : 85,152.91 = 54,922.72 : x
  2. Step 2: Convert to fraction form
    61,750.26/85,152.91 = 54,922.72/x
  3. Step 3: Cross multiply
    61,750.26x = 85,152.91 × 54,922.72
  4. Step 4: Simplify right side
    61,750.26x = 4,676,829,433.12
  5. Step 5: Solve for x
    x = 4,676,829,433.12/61,750.26
  6. Step 6: Final answer
    x = 75,737.81

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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.