Home / 88,364.56-121,943.63-48,078.61

Finding the Fourth Proportional to 88,364.56, 121,943.63 and 48,078.61

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Solution

The fourth proportional to 88,364.56, 121,943.63 and 48,078.61 is: 66,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.56 : 121,943.63 = 48,078.61 : x
  2. Step 2: Convert to fraction form
    88,364.56/121,943.63 = 48,078.61/x
  3. Step 3: Cross multiply
    88,364.56x = 121,943.63 × 48,078.61
  4. Step 4: Simplify right side
    88,364.56x = 5,862,880,228.75
  5. Step 5: Solve for x
    x = 5,862,880,228.75/88,364.56
  6. Step 6: Final answer
    x = 66,348.77

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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.