Home / 91,726.44-137,395.26-69,292.68

Finding the Fourth Proportional to 91,726.44, 137,395.26 and 69,292.68

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Solution

The fourth proportional to 91,726.44, 137,395.26 and 69,292.68 is: 103,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,726.44 : 137,395.26 = 69,292.68 : x
  2. Step 2: Convert to fraction form
    91,726.44/137,395.26 = 69,292.68/x
  3. Step 3: Cross multiply
    91,726.44x = 137,395.26 × 69,292.68
  4. Step 4: Simplify right side
    91,726.44x = 9,520,485,784.70
  5. Step 5: Solve for x
    x = 9,520,485,784.70/91,726.44
  6. Step 6: Final answer
    x = 103,792.16

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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.