Home / 72,010.85-99,347.25-45,106.52

Finding the Fourth Proportional to 72,010.85, 99,347.25 and 45,106.52

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Solution

The fourth proportional to 72,010.85, 99,347.25 and 45,106.52 is: 62,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,010.85 : 99,347.25 = 45,106.52 : x
  2. Step 2: Convert to fraction form
    72,010.85/99,347.25 = 45,106.52/x
  3. Step 3: Cross multiply
    72,010.85x = 99,347.25 × 45,106.52
  4. Step 4: Simplify right side
    72,010.85x = 4,481,207,996.80
  5. Step 5: Solve for x
    x = 4,481,207,996.80/72,010.85
  6. Step 6: Final answer
    x = 62,229.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.