Home / 69,201.86-95,488.40-38,981.16

Finding the Fourth Proportional to 69,201.86, 95,488.40 and 38,981.16

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Solution

The fourth proportional to 69,201.86, 95,488.40 and 38,981.16 is: 53,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,201.86 : 95,488.40 = 38,981.16 : x
  2. Step 2: Convert to fraction form
    69,201.86/95,488.40 = 38,981.16/x
  3. Step 3: Cross multiply
    69,201.86x = 95,488.40 × 38,981.16
  4. Step 4: Simplify right side
    69,201.86x = 3,722,248,696.00
  5. Step 5: Solve for x
    x = 3,722,248,696.00/69,201.86
  6. Step 6: Final answer
    x = 53,788.28

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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.