Home / 75,545.66-113,267.37-42,288.68

Finding the Fourth Proportional to 75,545.66, 113,267.37 and 42,288.68

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Solution

The fourth proportional to 75,545.66, 113,267.37 and 42,288.68 is: 63,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,545.66 : 113,267.37 = 42,288.68 : x
  2. Step 2: Convert to fraction form
    75,545.66/113,267.37 = 42,288.68/x
  3. Step 3: Cross multiply
    75,545.66x = 113,267.37 × 42,288.68
  4. Step 4: Simplify right side
    75,545.66x = 4,789,927,564.37
  5. Step 5: Solve for x
    x = 4,789,927,564.37/75,545.66
  6. Step 6: Final answer
    x = 63,404.40

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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.