Home / 54,882-75,748.14-31,008.96

Finding the Fourth Proportional to 54,882, 75,748.14 and 31,008.96

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Solution

The fourth proportional to 54,882, 75,748.14 and 31,008.96 is: 42,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882 : 75,748.14 = 31,008.96 : x
  2. Step 2: Convert to fraction form
    54,882/75,748.14 = 31,008.96/x
  3. Step 3: Cross multiply
    54,882x = 75,748.14 × 31,008.96
  4. Step 4: Simplify right side
    54,882x = 2,348,871,043.33
  5. Step 5: Solve for x
    x = 2,348,871,043.33/54,882
  6. Step 6: Final answer
    x = 42,798.57

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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.