Home / 75,278.93-112,918.59-25,394.06

Finding the Fourth Proportional to 75,278.93, 112,918.59 and 25,394.06

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Solution

The fourth proportional to 75,278.93, 112,918.59 and 25,394.06 is: 38,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278.93 : 112,918.59 = 25,394.06 : x
  2. Step 2: Convert to fraction form
    75,278.93/112,918.59 = 25,394.06/x
  3. Step 3: Cross multiply
    75,278.93x = 112,918.59 × 25,394.06
  4. Step 4: Simplify right side
    75,278.93x = 2,867,461,731.87
  5. Step 5: Solve for x
    x = 2,867,461,731.87/75,278.93
  6. Step 6: Final answer
    x = 38,091.16

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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.