Home / 75,368.24-112,973.28-25,431.10

Finding the Fourth Proportional to 75,368.24, 112,973.28 and 25,431.10

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Solution

The fourth proportional to 75,368.24, 112,973.28 and 25,431.10 is: 38,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,368.24 : 112,973.28 = 25,431.10 : x
  2. Step 2: Convert to fraction form
    75,368.24/112,973.28 = 25,431.10/x
  3. Step 3: Cross multiply
    75,368.24x = 112,973.28 × 25,431.10
  4. Step 4: Simplify right side
    75,368.24x = 2,873,034,781.01
  5. Step 5: Solve for x
    x = 2,873,034,781.01/75,368.24
  6. Step 6: Final answer
    x = 38,119.97

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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.