Home / 94,781.69-130,643.00-67,195.75

Finding the Fourth Proportional to 94,781.69, 130,643.00 and 67,195.75

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Solution

The fourth proportional to 94,781.69, 130,643.00 and 67,195.75 is: 92,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,781.69 : 130,643.00 = 67,195.75 : x
  2. Step 2: Convert to fraction form
    94,781.69/130,643.00 = 67,195.75/x
  3. Step 3: Cross multiply
    94,781.69x = 130,643.00 × 67,195.75
  4. Step 4: Simplify right side
    94,781.69x = 8,778,654,758.02
  5. Step 5: Solve for x
    x = 8,778,654,758.02/94,781.69
  6. Step 6: Final answer
    x = 92,619.73

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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.