Home / 54,888.19-75,750.15-31,019.82

Finding the Fourth Proportional to 54,888.19, 75,750.15 and 31,019.82

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Solution

The fourth proportional to 54,888.19, 75,750.15 and 31,019.82 is: 42,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.19 : 75,750.15 = 31,019.82 : x
  2. Step 2: Convert to fraction form
    54,888.19/75,750.15 = 31,019.82/x
  3. Step 3: Cross multiply
    54,888.19x = 75,750.15 × 31,019.82
  4. Step 4: Simplify right side
    54,888.19x = 2,349,756,017.97
  5. Step 5: Solve for x
    x = 2,349,756,017.97/54,888.19
  6. Step 6: Final answer
    x = 42,809.87

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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.