Home / 69,120.10-103,681.77-24,749.92

Finding the Fourth Proportional to 69,120.10, 103,681.77 and 24,749.92

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Solution

The fourth proportional to 69,120.10, 103,681.77 and 24,749.92 is: 37,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120.10 : 103,681.77 = 24,749.92 : x
  2. Step 2: Convert to fraction form
    69,120.10/103,681.77 = 24,749.92/x
  3. Step 3: Cross multiply
    69,120.10x = 103,681.77 × 24,749.92
  4. Step 4: Simplify right side
    69,120.10x = 2,566,115,512.96
  5. Step 5: Solve for x
    x = 2,566,115,512.96/69,120.10
  6. Step 6: Final answer
    x = 37,125.46

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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.