Home / 75,920.98-113,869.79-25,320.90

Finding the Fourth Proportional to 75,920.98, 113,869.79 and 25,320.90

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Solution

The fourth proportional to 75,920.98, 113,869.79 and 25,320.90 is: 37,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,920.98 : 113,869.79 = 25,320.90 : x
  2. Step 2: Convert to fraction form
    75,920.98/113,869.79 = 25,320.90/x
  3. Step 3: Cross multiply
    75,920.98x = 113,869.79 × 25,320.90
  4. Step 4: Simplify right side
    75,920.98x = 2,883,285,565.61
  5. Step 5: Solve for x
    x = 2,883,285,565.61/75,920.98
  6. Step 6: Final answer
    x = 37,977.45

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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.