Home / 89,425.20-134,137.80-27,095.70

Finding the Fourth Proportional to 89,425.20, 134,137.80 and 27,095.70

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Solution

The fourth proportional to 89,425.20, 134,137.80 and 27,095.70 is: 40,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,425.20 : 134,137.80 = 27,095.70 : x
  2. Step 2: Convert to fraction form
    89,425.20/134,137.80 = 27,095.70/x
  3. Step 3: Cross multiply
    89,425.20x = 134,137.80 × 27,095.70
  4. Step 4: Simplify right side
    89,425.20x = 3,634,557,587.46
  5. Step 5: Solve for x
    x = 3,634,557,587.46/89,425.20
  6. Step 6: Final answer
    x = 40,643.55

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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.