Home / 42,701.87-64,091.68-22,728.13

Finding the Fourth Proportional to 42,701.87, 64,091.68 and 22,728.13

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Solution

The fourth proportional to 42,701.87, 64,091.68 and 22,728.13 is: 34,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,701.87 : 64,091.68 = 22,728.13 : x
  2. Step 2: Convert to fraction form
    42,701.87/64,091.68 = 22,728.13/x
  3. Step 3: Cross multiply
    42,701.87x = 64,091.68 × 22,728.13
  4. Step 4: Simplify right side
    42,701.87x = 1,456,684,281.13
  5. Step 5: Solve for x
    x = 1,456,684,281.13/42,701.87
  6. Step 6: Final answer
    x = 34,112.89

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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.