Home / 61,263.65-91,897.82-19,147.61

Finding the Fourth Proportional to 61,263.65, 91,897.82 and 19,147.61

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Solution

The fourth proportional to 61,263.65, 91,897.82 and 19,147.61 is: 28,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263.65 : 91,897.82 = 19,147.61 : x
  2. Step 2: Convert to fraction form
    61,263.65/91,897.82 = 19,147.61/x
  3. Step 3: Cross multiply
    61,263.65x = 91,897.82 × 19,147.61
  4. Step 4: Simplify right side
    61,263.65x = 1,759,623,521.47
  5. Step 5: Solve for x
    x = 1,759,623,521.47/61,263.65
  6. Step 6: Final answer
    x = 28,722.15

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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.