Home / 91,703.05-137,545.36-25,149.88

Finding the Fourth Proportional to 91,703.05, 137,545.36 and 25,149.88

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Solution

The fourth proportional to 91,703.05, 137,545.36 and 25,149.88 is: 37,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.05 : 137,545.36 = 25,149.88 : x
  2. Step 2: Convert to fraction form
    91,703.05/137,545.36 = 25,149.88/x
  3. Step 3: Cross multiply
    91,703.05x = 137,545.36 × 25,149.88
  4. Step 4: Simplify right side
    91,703.05x = 3,459,249,298.56
  5. Step 5: Solve for x
    x = 3,459,249,298.56/91,703.05
  6. Step 6: Final answer
    x = 37,722.29

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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.