Home / 48,080.92-72,124.45-18,498.76

Finding the Fourth Proportional to 48,080.92, 72,124.45 and 18,498.76

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Solution

The fourth proportional to 48,080.92, 72,124.45 and 18,498.76 is: 27,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,080.92 : 72,124.45 = 18,498.76 : x
  2. Step 2: Convert to fraction form
    48,080.92/72,124.45 = 18,498.76/x
  3. Step 3: Cross multiply
    48,080.92x = 72,124.45 × 18,498.76
  4. Step 4: Simplify right side
    48,080.92x = 1,334,212,890.68
  5. Step 5: Solve for x
    x = 1,334,212,890.68/48,080.92
  6. Step 6: Final answer
    x = 27,749.32

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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.