Home / 89,044.63-133,632.29-71,723.59

Finding the Fourth Proportional to 89,044.63, 133,632.29 and 71,723.59

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Solution

The fourth proportional to 89,044.63, 133,632.29 and 71,723.59 is: 107,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,044.63 : 133,632.29 = 71,723.59 : x
  2. Step 2: Convert to fraction form
    89,044.63/133,632.29 = 71,723.59/x
  3. Step 3: Cross multiply
    89,044.63x = 133,632.29 × 71,723.59
  4. Step 4: Simplify right side
    89,044.63x = 9,584,587,220.10
  5. Step 5: Solve for x
    x = 9,584,587,220.10/89,044.63
  6. Step 6: Final answer
    x = 107,638.02

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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.