Home / 71,013.77-98,001.05-39,184.73

Finding the Fourth Proportional to 71,013.77, 98,001.05 and 39,184.73

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Solution

The fourth proportional to 71,013.77, 98,001.05 and 39,184.73 is: 54,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.77 : 98,001.05 = 39,184.73 : x
  2. Step 2: Convert to fraction form
    71,013.77/98,001.05 = 39,184.73/x
  3. Step 3: Cross multiply
    71,013.77x = 98,001.05 × 39,184.73
  4. Step 4: Simplify right side
    71,013.77x = 3,840,143,998.04
  5. Step 5: Solve for x
    x = 3,840,143,998.04/71,013.77
  6. Step 6: Final answer
    x = 54,076.05

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1.5x scale

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.