Home / 61,303.13-91,990.24-25,761.65

Finding the Fourth Proportional to 61,303.13, 91,990.24 and 25,761.65

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Solution

The fourth proportional to 61,303.13, 91,990.24 and 25,761.65 is: 38,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.13 : 91,990.24 = 25,761.65 : x
  2. Step 2: Convert to fraction form
    61,303.13/91,990.24 = 25,761.65/x
  3. Step 3: Cross multiply
    61,303.13x = 91,990.24 × 25,761.65
  4. Step 4: Simplify right side
    61,303.13x = 2,369,820,366.30
  5. Step 5: Solve for x
    x = 2,369,820,366.30/61,303.13
  6. Step 6: Final answer
    x = 38,657.41

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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.