Home / 75,569.28-113,352.64-26,320

Finding the Fourth Proportional to 75,569.28, 113,352.64 and 26,320

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Solution

The fourth proportional to 75,569.28, 113,352.64 and 26,320 is: 39,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,569.28 : 113,352.64 = 26,320 : x
  2. Step 2: Convert to fraction form
    75,569.28/113,352.64 = 26,320/x
  3. Step 3: Cross multiply
    75,569.28x = 113,352.64 × 26,320
  4. Step 4: Simplify right side
    75,569.28x = 2,983,441,484.80
  5. Step 5: Solve for x
    x = 2,983,441,484.80/75,569.28
  6. Step 6: Final answer
    x = 39,479.55

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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.