Home / 75,119.16-103,676.04-42,853.92

Finding the Fourth Proportional to 75,119.16, 103,676.04 and 42,853.92

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Solution

The fourth proportional to 75,119.16, 103,676.04 and 42,853.92 is: 59,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,119.16 : 103,676.04 = 42,853.92 : x
  2. Step 2: Convert to fraction form
    75,119.16/103,676.04 = 42,853.92/x
  3. Step 3: Cross multiply
    75,119.16x = 103,676.04 × 42,853.92
  4. Step 4: Simplify right side
    75,119.16x = 4,442,924,724.08
  5. Step 5: Solve for x
    x = 4,442,924,724.08/75,119.16
  6. Step 6: Final answer
    x = 59,145.03

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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.