Home / 62,307.28-85,765.80-54,335.44

Finding the Fourth Proportional to 62,307.28, 85,765.80 and 54,335.44

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Solution

The fourth proportional to 62,307.28, 85,765.80 and 54,335.44 is: 74,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,307.28 : 85,765.80 = 54,335.44 : x
  2. Step 2: Convert to fraction form
    62,307.28/85,765.80 = 54,335.44/x
  3. Step 3: Cross multiply
    62,307.28x = 85,765.80 × 54,335.44
  4. Step 4: Simplify right side
    62,307.28x = 4,660,122,479.95
  5. Step 5: Solve for x
    x = 4,660,122,479.95/62,307.28
  6. Step 6: Final answer
    x = 74,792.58

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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.