Home / 61,352.31-92,077.69-31,778.60

Finding the Fourth Proportional to 61,352.31, 92,077.69 and 31,778.60

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Solution

The fourth proportional to 61,352.31, 92,077.69 and 31,778.60 is: 47,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,352.31 : 92,077.69 = 31,778.60 : x
  2. Step 2: Convert to fraction form
    61,352.31/92,077.69 = 31,778.60/x
  3. Step 3: Cross multiply
    61,352.31x = 92,077.69 × 31,778.60
  4. Step 4: Simplify right side
    61,352.31x = 2,926,100,230.18
  5. Step 5: Solve for x
    x = 2,926,100,230.18/61,352.31
  6. Step 6: Final answer
    x = 47,693.40

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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.