Home / 88,095.78-121,570.44-49,854.61

Finding the Fourth Proportional to 88,095.78, 121,570.44 and 49,854.61

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Solution

The fourth proportional to 88,095.78, 121,570.44 and 49,854.61 is: 68,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.78 : 121,570.44 = 49,854.61 : x
  2. Step 2: Convert to fraction form
    88,095.78/121,570.44 = 49,854.61/x
  3. Step 3: Cross multiply
    88,095.78x = 121,570.44 × 49,854.61
  4. Step 4: Simplify right side
    88,095.78x = 6,060,847,601.30
  5. Step 5: Solve for x
    x = 6,060,847,601.30/88,095.78
  6. Step 6: Final answer
    x = 68,798.39

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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.