Home / 66,110.96-91,271.28-50,167.52

Finding the Fourth Proportional to 66,110.96, 91,271.28 and 50,167.52

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Solution

The fourth proportional to 66,110.96, 91,271.28 and 50,167.52 is: 69,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.96 : 91,271.28 = 50,167.52 : x
  2. Step 2: Convert to fraction form
    66,110.96/91,271.28 = 50,167.52/x
  3. Step 3: Cross multiply
    66,110.96x = 91,271.28 × 50,167.52
  4. Step 4: Simplify right side
    66,110.96x = 4,578,853,764.83
  5. Step 5: Solve for x
    x = 4,578,853,764.83/66,110.96
  6. Step 6: Final answer
    x = 69,260.13

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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.