Home / 75,412.01-113,117.11-19,251.47

Finding the Fourth Proportional to 75,412.01, 113,117.11 and 19,251.47

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Solution

The fourth proportional to 75,412.01, 113,117.11 and 19,251.47 is: 28,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.01 : 113,117.11 = 19,251.47 : x
  2. Step 2: Convert to fraction form
    75,412.01/113,117.11 = 19,251.47/x
  3. Step 3: Cross multiply
    75,412.01x = 113,117.11 × 19,251.47
  4. Step 4: Simplify right side
    75,412.01x = 2,177,670,884.32
  5. Step 5: Solve for x
    x = 2,177,670,884.32/75,412.01
  6. Step 6: Final answer
    x = 28,876.98

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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.