Home / 67,711.04-101,576.02-28,259.12

Finding the Fourth Proportional to 67,711.04, 101,576.02 and 28,259.12

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Solution

The fourth proportional to 67,711.04, 101,576.02 and 28,259.12 is: 42,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,711.04 : 101,576.02 = 28,259.12 : x
  2. Step 2: Convert to fraction form
    67,711.04/101,576.02 = 28,259.12/x
  3. Step 3: Cross multiply
    67,711.04x = 101,576.02 × 28,259.12
  4. Step 4: Simplify right side
    67,711.04x = 2,870,448,938.30
  5. Step 5: Solve for x
    x = 2,870,448,938.30/67,711.04
  6. Step 6: Final answer
    x = 42,392.63

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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.