Home / 67,050.47-100,575.69-17,130.66

Finding the Fourth Proportional to 67,050.47, 100,575.69 and 17,130.66

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Solution

The fourth proportional to 67,050.47, 100,575.69 and 17,130.66 is: 25,695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,050.47 : 100,575.69 = 17,130.66 : x
  2. Step 2: Convert to fraction form
    67,050.47/100,575.69 = 17,130.66/x
  3. Step 3: Cross multiply
    67,050.47x = 100,575.69 × 17,130.66
  4. Step 4: Simplify right side
    67,050.47x = 1,722,927,949.66
  5. Step 5: Solve for x
    x = 1,722,927,949.66/67,050.47
  6. Step 6: Final answer
    x = 25,695.99

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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.