Home / 87,333.03-130,986.75-42,947.85

Finding the Fourth Proportional to 87,333.03, 130,986.75 and 42,947.85

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Solution

The fourth proportional to 87,333.03, 130,986.75 and 42,947.85 is: 64,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.03 : 130,986.75 = 42,947.85 : x
  2. Step 2: Convert to fraction form
    87,333.03/130,986.75 = 42,947.85/x
  3. Step 3: Cross multiply
    87,333.03x = 130,986.75 × 42,947.85
  4. Step 4: Simplify right side
    87,333.03x = 5,625,599,290.99
  5. Step 5: Solve for x
    x = 5,625,599,290.99/87,333.03
  6. Step 6: Final answer
    x = 64,415.48

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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.