Home / 75,733.40-113,600.10-25,869.80

Finding the Fourth Proportional to 75,733.40, 113,600.10 and 25,869.80

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Solution

The fourth proportional to 75,733.40, 113,600.10 and 25,869.80 is: 38,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,733.40 : 113,600.10 = 25,869.80 : x
  2. Step 2: Convert to fraction form
    75,733.40/113,600.10 = 25,869.80/x
  3. Step 3: Cross multiply
    75,733.40x = 113,600.10 × 25,869.80
  4. Step 4: Simplify right side
    75,733.40x = 2,938,811,866.98
  5. Step 5: Solve for x
    x = 2,938,811,866.98/75,733.40
  6. Step 6: Final answer
    x = 38,804.70

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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.