Home / 89,507.19-134,084.61-64,487.91

Finding the Fourth Proportional to 89,507.19, 134,084.61 and 64,487.91

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Solution

The fourth proportional to 89,507.19, 134,084.61 and 64,487.91 is: 96,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,507.19 : 134,084.61 = 64,487.91 : x
  2. Step 2: Convert to fraction form
    89,507.19/134,084.61 = 64,487.91/x
  3. Step 3: Cross multiply
    89,507.19x = 134,084.61 × 64,487.91
  4. Step 4: Simplify right side
    89,507.19x = 8,646,836,262.07
  5. Step 5: Solve for x
    x = 8,646,836,262.07/89,507.19
  6. Step 6: Final answer
    x = 96,604.93

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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.