Home / 75,671.14-113,513.24-19,510.76

Finding the Fourth Proportional to 75,671.14, 113,513.24 and 19,510.76

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Solution

The fourth proportional to 75,671.14, 113,513.24 and 19,510.76 is: 29,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671.14 : 113,513.24 = 19,510.76 : x
  2. Step 2: Convert to fraction form
    75,671.14/113,513.24 = 19,510.76/x
  3. Step 3: Cross multiply
    75,671.14x = 113,513.24 × 19,510.76
  4. Step 4: Simplify right side
    75,671.14x = 2,214,729,582.46
  5. Step 5: Solve for x
    x = 2,214,729,582.46/75,671.14
  6. Step 6: Final answer
    x = 29,267.82

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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.