Home / 103,415.88-142,726.20-58,093.95

Finding the Fourth Proportional to 103,415.88, 142,726.20 and 58,093.95

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Solution

The fourth proportional to 103,415.88, 142,726.20 and 58,093.95 is: 80,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,415.88 : 142,726.20 = 58,093.95 : x
  2. Step 2: Convert to fraction form
    103,415.88/142,726.20 = 58,093.95/x
  3. Step 3: Cross multiply
    103,415.88x = 142,726.20 × 58,093.95
  4. Step 4: Simplify right side
    103,415.88x = 8,291,528,726.49
  5. Step 5: Solve for x
    x = 8,291,528,726.49/103,415.88
  6. Step 6: Final answer
    x = 80,176.55

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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.