Home / 89,868.07-134,819.39-34,459.75

Finding the Fourth Proportional to 89,868.07, 134,819.39 and 34,459.75

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Solution

The fourth proportional to 89,868.07, 134,819.39 and 34,459.75 is: 51,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,868.07 : 134,819.39 = 34,459.75 : x
  2. Step 2: Convert to fraction form
    89,868.07/134,819.39 = 34,459.75/x
  3. Step 3: Cross multiply
    89,868.07x = 134,819.39 × 34,459.75
  4. Step 4: Simplify right side
    89,868.07x = 4,645,842,474.55
  5. Step 5: Solve for x
    x = 4,645,842,474.55/89,868.07
  6. Step 6: Final answer
    x = 51,696.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.