Home / 88,414.59-122,013.69-48,129.51

Finding the Fourth Proportional to 88,414.59, 122,013.69 and 48,129.51

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Solution

The fourth proportional to 88,414.59, 122,013.69 and 48,129.51 is: 66,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,414.59 : 122,013.69 = 48,129.51 : x
  2. Step 2: Convert to fraction form
    88,414.59/122,013.69 = 48,129.51/x
  3. Step 3: Cross multiply
    88,414.59x = 122,013.69 × 48,129.51
  4. Step 4: Simplify right side
    88,414.59x = 5,872,459,112.99
  5. Step 5: Solve for x
    x = 5,872,459,112.99/88,414.59
  6. Step 6: Final answer
    x = 66,419.57

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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.