Home / 70,743.75-97,627.19-38,912.88

Finding the Fourth Proportional to 70,743.75, 97,627.19 and 38,912.88

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Solution

The fourth proportional to 70,743.75, 97,627.19 and 38,912.88 is: 53,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.75 : 97,627.19 = 38,912.88 : x
  2. Step 2: Convert to fraction form
    70,743.75/97,627.19 = 38,912.88/x
  3. Step 3: Cross multiply
    70,743.75x = 97,627.19 × 38,912.88
  4. Step 4: Simplify right side
    70,743.75x = 3,798,954,446.51
  5. Step 5: Solve for x
    x = 3,798,954,446.51/70,743.75
  6. Step 6: Final answer
    x = 53,700.22

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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.