Home / 66,572.20-99,887.34-35,370.92

Finding the Fourth Proportional to 66,572.20, 99,887.34 and 35,370.92

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Solution

The fourth proportional to 66,572.20, 99,887.34 and 35,370.92 is: 53,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572.20 : 99,887.34 = 35,370.92 : x
  2. Step 2: Convert to fraction form
    66,572.20/99,887.34 = 35,370.92/x
  3. Step 3: Cross multiply
    66,572.20x = 99,887.34 × 35,370.92
  4. Step 4: Simplify right side
    66,572.20x = 3,533,107,112.15
  5. Step 5: Solve for x
    x = 3,533,107,112.15/66,572.20
  6. Step 6: Final answer
    x = 53,071.81

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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.