Home / 89,477.71-134,209.58-52,013.88

Finding the Fourth Proportional to 89,477.71, 134,209.58 and 52,013.88

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Solution

The fourth proportional to 89,477.71, 134,209.58 and 52,013.88 is: 78,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,477.71 : 134,209.58 = 52,013.88 : x
  2. Step 2: Convert to fraction form
    89,477.71/134,209.58 = 52,013.88/x
  3. Step 3: Cross multiply
    89,477.71x = 134,209.58 × 52,013.88
  4. Step 4: Simplify right side
    89,477.71x = 6,980,760,728.90
  5. Step 5: Solve for x
    x = 6,980,760,728.90/89,477.71
  6. Step 6: Final answer
    x = 78,016.76

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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.