Home / 75,042.02-112,568.16-25,120.10

Finding the Fourth Proportional to 75,042.02, 112,568.16 and 25,120.10

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Solution

The fourth proportional to 75,042.02, 112,568.16 and 25,120.10 is: 37,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042.02 : 112,568.16 = 25,120.10 : x
  2. Step 2: Convert to fraction form
    75,042.02/112,568.16 = 25,120.10/x
  3. Step 3: Cross multiply
    75,042.02x = 112,568.16 × 25,120.10
  4. Step 4: Simplify right side
    75,042.02x = 2,827,723,436.02
  5. Step 5: Solve for x
    x = 2,827,723,436.02/75,042.02
  6. Step 6: Final answer
    x = 37,681.87

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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.