Home / 54,882.47-75,739.28-31,008.63

Finding the Fourth Proportional to 54,882.47, 75,739.28 and 31,008.63

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Solution

The fourth proportional to 54,882.47, 75,739.28 and 31,008.63 is: 42,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882.47 : 75,739.28 = 31,008.63 : x
  2. Step 2: Convert to fraction form
    54,882.47/75,739.28 = 31,008.63/x
  3. Step 3: Cross multiply
    54,882.47x = 75,739.28 × 31,008.63
  4. Step 4: Simplify right side
    54,882.47x = 2,348,571,154.94
  5. Step 5: Solve for x
    x = 2,348,571,154.94/54,882.47
  6. Step 6: Final answer
    x = 42,792.74

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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.