Home / 109,037.95-150,473.20-60,640.55

Finding the Fourth Proportional to 109,037.95, 150,473.20 and 60,640.55

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Solution

The fourth proportional to 109,037.95, 150,473.20 and 60,640.55 is: 83,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,037.95 : 150,473.20 = 60,640.55 : x
  2. Step 2: Convert to fraction form
    109,037.95/150,473.20 = 60,640.55/x
  3. Step 3: Cross multiply
    109,037.95x = 150,473.20 × 60,640.55
  4. Step 4: Simplify right side
    109,037.95x = 9,124,777,664.41
  5. Step 5: Solve for x
    x = 9,124,777,664.41/109,037.95
  6. Step 6: Final answer
    x = 83,684.42

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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.