Home / 70,327.13-97,047.71-38,489.87

Finding the Fourth Proportional to 70,327.13, 97,047.71 and 38,489.87

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Solution

The fourth proportional to 70,327.13, 97,047.71 and 38,489.87 is: 53,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,327.13 : 97,047.71 = 38,489.87 : x
  2. Step 2: Convert to fraction form
    70,327.13/97,047.71 = 38,489.87/x
  3. Step 3: Cross multiply
    70,327.13x = 97,047.71 × 38,489.87
  4. Step 4: Simplify right side
    70,327.13x = 3,735,353,064.01
  5. Step 5: Solve for x
    x = 3,735,353,064.01/70,327.13
  6. Step 6: Final answer
    x = 53,113.97

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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.