Home / 70,734.97-97,613.40-38,903.19

Finding the Fourth Proportional to 70,734.97, 97,613.40 and 38,903.19

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Solution

The fourth proportional to 70,734.97, 97,613.40 and 38,903.19 is: 53,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.97 : 97,613.40 = 38,903.19 : x
  2. Step 2: Convert to fraction form
    70,734.97/97,613.40 = 38,903.19/x
  3. Step 3: Cross multiply
    70,734.97x = 97,613.40 × 38,903.19
  4. Step 4: Simplify right side
    70,734.97x = 3,797,472,426.58
  5. Step 5: Solve for x
    x = 3,797,472,426.58/70,734.97
  6. Step 6: Final answer
    x = 53,685.93

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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.