Home / 70,733.60-97,614.41-38,904.54

Finding the Fourth Proportional to 70,733.60, 97,614.41 and 38,904.54

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Solution

The fourth proportional to 70,733.60, 97,614.41 and 38,904.54 is: 53,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,733.60 : 97,614.41 = 38,904.54 : x
  2. Step 2: Convert to fraction form
    70,733.60/97,614.41 = 38,904.54/x
  3. Step 3: Cross multiply
    70,733.60x = 97,614.41 × 38,904.54
  4. Step 4: Simplify right side
    70,733.60x = 3,797,643,718.42
  5. Step 5: Solve for x
    x = 3,797,643,718.42/70,733.60
  6. Step 6: Final answer
    x = 53,689.39

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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.