Home / 73,891.28-101,970.09-42,060.18

Finding the Fourth Proportional to 73,891.28, 101,970.09 and 42,060.18

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Solution

The fourth proportional to 73,891.28, 101,970.09 and 42,060.18 is: 58,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,891.28 : 101,970.09 = 42,060.18 : x
  2. Step 2: Convert to fraction form
    73,891.28/101,970.09 = 42,060.18/x
  3. Step 3: Cross multiply
    73,891.28x = 101,970.09 × 42,060.18
  4. Step 4: Simplify right side
    73,891.28x = 4,288,880,340.02
  5. Step 5: Solve for x
    x = 4,288,880,340.02/73,891.28
  6. Step 6: Final answer
    x = 58,043.12

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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.