Home / 70,031.45-96,643.70-38,201.02

Finding the Fourth Proportional to 70,031.45, 96,643.70 and 38,201.02

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Solution

The fourth proportional to 70,031.45, 96,643.70 and 38,201.02 is: 52,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,031.45 : 96,643.70 = 38,201.02 : x
  2. Step 2: Convert to fraction form
    70,031.45/96,643.70 = 38,201.02/x
  3. Step 3: Cross multiply
    70,031.45x = 96,643.70 × 38,201.02
  4. Step 4: Simplify right side
    70,031.45x = 3,691,887,627.21
  5. Step 5: Solve for x
    x = 3,691,887,627.21/70,031.45
  6. Step 6: Final answer
    x = 52,717.56

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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.