Home / 70,999.13-97,973.96-39,168.56

Finding the Fourth Proportional to 70,999.13, 97,973.96 and 39,168.56

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Solution

The fourth proportional to 70,999.13, 97,973.96 and 39,168.56 is: 54,049.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,999.13 : 97,973.96 = 39,168.56 : x
  2. Step 2: Convert to fraction form
    70,999.13/97,973.96 = 39,168.56/x
  3. Step 3: Cross multiply
    70,999.13x = 97,973.96 × 39,168.56
  4. Step 4: Simplify right side
    70,999.13x = 3,837,498,979.79
  5. Step 5: Solve for x
    x = 3,837,498,979.79/70,999.13
  6. Step 6: Final answer
    x = 54,049.94

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1.5x scale

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.