Home / 88,649.44-122,319.52-52,842.78

Finding the Fourth Proportional to 88,649.44, 122,319.52 and 52,842.78

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Solution

The fourth proportional to 88,649.44, 122,319.52 and 52,842.78 is: 72,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.44 : 122,319.52 = 52,842.78 : x
  2. Step 2: Convert to fraction form
    88,649.44/122,319.52 = 52,842.78/x
  3. Step 3: Cross multiply
    88,649.44x = 122,319.52 × 52,842.78
  4. Step 4: Simplify right side
    88,649.44x = 6,463,703,352.96
  5. Step 5: Solve for x
    x = 6,463,703,352.96/88,649.44
  6. Step 6: Final answer
    x = 72,913.08

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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.