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Finding the Fourth Proportional to 75,010.80, 112,517.40 and 19,606.80

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Solution

The fourth proportional to 75,010.80, 112,517.40 and 19,606.80 is: 29,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,010.80 : 112,517.40 = 19,606.80 : x
  2. Step 2: Convert to fraction form
    75,010.80/112,517.40 = 19,606.80/x
  3. Step 3: Cross multiply
    75,010.80x = 112,517.40 × 19,606.80
  4. Step 4: Simplify right side
    75,010.80x = 2,206,106,158.32
  5. Step 5: Solve for x
    x = 2,206,106,158.32/75,010.80
  6. Step 6: Final answer
    x = 29,410.51

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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.