Home / 88,849.68-122,404.08-61,943.28

Finding the Fourth Proportional to 88,849.68, 122,404.08 and 61,943.28

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Solution

The fourth proportional to 88,849.68, 122,404.08 and 61,943.28 is: 85,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,849.68 : 122,404.08 = 61,943.28 : x
  2. Step 2: Convert to fraction form
    88,849.68/122,404.08 = 61,943.28/x
  3. Step 3: Cross multiply
    88,849.68x = 122,404.08 × 61,943.28
  4. Step 4: Simplify right side
    88,849.68x = 7,582,110,200.58
  5. Step 5: Solve for x
    x = 7,582,110,200.58/88,849.68
  6. Step 6: Final answer
    x = 85,336.38

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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.