Home / 75,545.70-113,329.35-25,628.10

Finding the Fourth Proportional to 75,545.70, 113,329.35 and 25,628.10

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Solution

The fourth proportional to 75,545.70, 113,329.35 and 25,628.10 is: 38,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,545.70 : 113,329.35 = 25,628.10 : x
  2. Step 2: Convert to fraction form
    75,545.70/113,329.35 = 25,628.10/x
  3. Step 3: Cross multiply
    75,545.70x = 113,329.35 × 25,628.10
  4. Step 4: Simplify right side
    75,545.70x = 2,904,415,914.74
  5. Step 5: Solve for x
    x = 2,904,415,914.74/75,545.70
  6. Step 6: Final answer
    x = 38,445.81

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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.