Home / 75,407.52-113,111.17-19,247.63

Finding the Fourth Proportional to 75,407.52, 113,111.17 and 19,247.63

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Solution

The fourth proportional to 75,407.52, 113,111.17 and 19,247.63 is: 28,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,407.52 : 113,111.17 = 19,247.63 : x
  2. Step 2: Convert to fraction form
    75,407.52/113,111.17 = 19,247.63/x
  3. Step 3: Cross multiply
    75,407.52x = 113,111.17 × 19,247.63
  4. Step 4: Simplify right side
    75,407.52x = 2,177,121,335.35
  5. Step 5: Solve for x
    x = 2,177,121,335.35/75,407.52
  6. Step 6: Final answer
    x = 28,871.41

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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.