Home / 114,572.08-171,789.08-51,380.76

Finding the Fourth Proportional to 114,572.08, 171,789.08 and 51,380.76

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Solution

The fourth proportional to 114,572.08, 171,789.08 and 51,380.76 is: 77,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,572.08 : 171,789.08 = 51,380.76 : x
  2. Step 2: Convert to fraction form
    114,572.08/171,789.08 = 51,380.76/x
  3. Step 3: Cross multiply
    114,572.08x = 171,789.08 × 51,380.76
  4. Step 4: Simplify right side
    114,572.08x = 8,826,653,490.10
  5. Step 5: Solve for x
    x = 8,826,653,490.10/114,572.08
  6. Step 6: Final answer
    x = 77,040.18

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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.