Home / 88,040.86-121,495.48-47,753.75

Finding the Fourth Proportional to 88,040.86, 121,495.48 and 47,753.75

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Solution

The fourth proportional to 88,040.86, 121,495.48 and 47,753.75 is: 65,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.86 : 121,495.48 = 47,753.75 : x
  2. Step 2: Convert to fraction form
    88,040.86/121,495.48 = 47,753.75/x
  3. Step 3: Cross multiply
    88,040.86x = 121,495.48 × 47,753.75
  4. Step 4: Simplify right side
    88,040.86x = 5,801,864,778.05
  5. Step 5: Solve for x
    x = 5,801,864,778.05/88,040.86
  6. Step 6: Final answer
    x = 65,899.68

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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.