Home / 88,112.79-121,596.53-47,826.90

Finding the Fourth Proportional to 88,112.79, 121,596.53 and 47,826.90

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Solution

The fourth proportional to 88,112.79, 121,596.53 and 47,826.90 is: 66,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.79 : 121,596.53 = 47,826.90 : x
  2. Step 2: Convert to fraction form
    88,112.79/121,596.53 = 47,826.90/x
  3. Step 3: Cross multiply
    88,112.79x = 121,596.53 × 47,826.90
  4. Step 4: Simplify right side
    88,112.79x = 5,815,584,841.52
  5. Step 5: Solve for x
    x = 5,815,584,841.52/88,112.79
  6. Step 6: Final answer
    x = 66,001.60

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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.