Home / 72,756.16-100,372.46-41,694.95

Finding the Fourth Proportional to 72,756.16, 100,372.46 and 41,694.95

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Solution

The fourth proportional to 72,756.16, 100,372.46 and 41,694.95 is: 57,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,756.16 : 100,372.46 = 41,694.95 : x
  2. Step 2: Convert to fraction form
    72,756.16/100,372.46 = 41,694.95/x
  3. Step 3: Cross multiply
    72,756.16x = 100,372.46 × 41,694.95
  4. Step 4: Simplify right side
    72,756.16x = 4,185,024,743.53
  5. Step 5: Solve for x
    x = 4,185,024,743.53/72,756.16
  6. Step 6: Final answer
    x = 57,521.24

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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.