Home / 70,238.55-96,910.52-40,023.23

Finding the Fourth Proportional to 70,238.55, 96,910.52 and 40,023.23

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Solution

The fourth proportional to 70,238.55, 96,910.52 and 40,023.23 is: 55,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238.55 : 96,910.52 = 40,023.23 : x
  2. Step 2: Convert to fraction form
    70,238.55/96,910.52 = 40,023.23/x
  3. Step 3: Cross multiply
    70,238.55x = 96,910.52 × 40,023.23
  4. Step 4: Simplify right side
    70,238.55x = 3,878,672,031.38
  5. Step 5: Solve for x
    x = 3,878,672,031.38/70,238.55
  6. Step 6: Final answer
    x = 55,221.41

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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.