Home / 75,851.28-113,779.35-25,929.36

Finding the Fourth Proportional to 75,851.28, 113,779.35 and 25,929.36

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Solution

The fourth proportional to 75,851.28, 113,779.35 and 25,929.36 is: 38,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,851.28 : 113,779.35 = 25,929.36 : x
  2. Step 2: Convert to fraction form
    75,851.28/113,779.35 = 25,929.36/x
  3. Step 3: Cross multiply
    75,851.28x = 113,779.35 × 25,929.36
  4. Step 4: Simplify right side
    75,851.28x = 2,950,225,726.72
  5. Step 5: Solve for x
    x = 2,950,225,726.72/75,851.28
  6. Step 6: Final answer
    x = 38,894.87

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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.