Home / 75,277.28-112,875.52-25,340.72

Finding the Fourth Proportional to 75,277.28, 112,875.52 and 25,340.72

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Solution

The fourth proportional to 75,277.28, 112,875.52 and 25,340.72 is: 37,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.28 : 112,875.52 = 25,340.72 : x
  2. Step 2: Convert to fraction form
    75,277.28/112,875.52 = 25,340.72/x
  3. Step 3: Cross multiply
    75,277.28x = 112,875.52 × 25,340.72
  4. Step 4: Simplify right side
    75,277.28x = 2,860,346,947.17
  5. Step 5: Solve for x
    x = 2,860,346,947.17/75,277.28
  6. Step 6: Final answer
    x = 37,997.48

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1.5x scale

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.