Home / 75,054.04-112,456.09-52,820.76

Finding the Fourth Proportional to 75,054.04, 112,456.09 and 52,820.76

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Solution

The fourth proportional to 75,054.04, 112,456.09 and 52,820.76 is: 79,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.04 : 112,456.09 = 52,820.76 : x
  2. Step 2: Convert to fraction form
    75,054.04/112,456.09 = 52,820.76/x
  3. Step 3: Cross multiply
    75,054.04x = 112,456.09 × 52,820.76
  4. Step 4: Simplify right side
    75,054.04x = 5,940,016,140.43
  5. Step 5: Solve for x
    x = 5,940,016,140.43/75,054.04
  6. Step 6: Final answer
    x = 79,143.19

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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.