Home / 95,947.40-143,726.70-54,345.80

Finding the Fourth Proportional to 95,947.40, 143,726.70 and 54,345.80

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Solution

The fourth proportional to 95,947.40, 143,726.70 and 54,345.80 is: 81,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,947.40 : 143,726.70 = 54,345.80 : x
  2. Step 2: Convert to fraction form
    95,947.40/143,726.70 = 54,345.80/x
  3. Step 3: Cross multiply
    95,947.40x = 143,726.70 × 54,345.80
  4. Step 4: Simplify right side
    95,947.40x = 7,810,942,492.86
  5. Step 5: Solve for x
    x = 7,810,942,492.86/95,947.40
  6. Step 6: Final answer
    x = 81,408.59

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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.