Home / 88,140.44-121,630.38-47,853.30

Finding the Fourth Proportional to 88,140.44, 121,630.38 and 47,853.30

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Solution

The fourth proportional to 88,140.44, 121,630.38 and 47,853.30 is: 66,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140.44 : 121,630.38 = 47,853.30 : x
  2. Step 2: Convert to fraction form
    88,140.44/121,630.38 = 47,853.30/x
  3. Step 3: Cross multiply
    88,140.44x = 121,630.38 × 47,853.30
  4. Step 4: Simplify right side
    88,140.44x = 5,820,415,063.25
  5. Step 5: Solve for x
    x = 5,820,415,063.25/88,140.44
  6. Step 6: Final answer
    x = 66,035.69

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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.