Home / 89,006.40-122,827.59-48,719.16

Finding the Fourth Proportional to 89,006.40, 122,827.59 and 48,719.16

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Solution

The fourth proportional to 89,006.40, 122,827.59 and 48,719.16 is: 67,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.40 : 122,827.59 = 48,719.16 : x
  2. Step 2: Convert to fraction form
    89,006.40/122,827.59 = 48,719.16/x
  3. Step 3: Cross multiply
    89,006.40x = 122,827.59 × 48,719.16
  4. Step 4: Simplify right side
    89,006.40x = 5,984,057,009.62
  5. Step 5: Solve for x
    x = 5,984,057,009.62/89,006.40
  6. Step 6: Final answer
    x = 67,231.76

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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.