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Finding the Fourth Proportional to 75,000.80, 112,513.80 and 22,415.60

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Solution

The fourth proportional to 75,000.80, 112,513.80 and 22,415.60 is: 33,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.80 : 112,513.80 = 22,415.60 : x
  2. Step 2: Convert to fraction form
    75,000.80/112,513.80 = 22,415.60/x
  3. Step 3: Cross multiply
    75,000.80x = 112,513.80 × 22,415.60
  4. Step 4: Simplify right side
    75,000.80x = 2,522,064,335.28
  5. Step 5: Solve for x
    x = 2,522,064,335.28/75,000.80
  6. Step 6: Final answer
    x = 33,627.17

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1.5x scale

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.