Home / 75,726.97-113,607.16-23,140.55

Finding the Fourth Proportional to 75,726.97, 113,607.16 and 23,140.55

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Solution

The fourth proportional to 75,726.97, 113,607.16 and 23,140.55 is: 34,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,726.97 : 113,607.16 = 23,140.55 : x
  2. Step 2: Convert to fraction form
    75,726.97/113,607.16 = 23,140.55/x
  3. Step 3: Cross multiply
    75,726.97x = 113,607.16 × 23,140.55
  4. Step 4: Simplify right side
    75,726.97x = 2,628,932,392.50
  5. Step 5: Solve for x
    x = 2,628,932,392.50/75,726.97
  6. Step 6: Final answer
    x = 34,715.93

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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.