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Finding the Fourth Proportional to 70,542.01, 105,770.58 and 33,110.29

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Solution

The fourth proportional to 70,542.01, 105,770.58 and 33,110.29 is: 49,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.01 : 105,770.58 = 33,110.29 : x
  2. Step 2: Convert to fraction form
    70,542.01/105,770.58 = 33,110.29/x
  3. Step 3: Cross multiply
    70,542.01x = 105,770.58 × 33,110.29
  4. Step 4: Simplify right side
    70,542.01x = 3,502,094,577.27
  5. Step 5: Solve for x
    x = 3,502,094,577.27/70,542.01
  6. Step 6: Final answer
    x = 49,645.52

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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.