Home / 70,119.45-96,765.20-38,288.35

Finding the Fourth Proportional to 70,119.45, 96,765.20 and 38,288.35

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Solution

The fourth proportional to 70,119.45, 96,765.20 and 38,288.35 is: 52,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119.45 : 96,765.20 = 38,288.35 : x
  2. Step 2: Convert to fraction form
    70,119.45/96,765.20 = 38,288.35/x
  3. Step 3: Cross multiply
    70,119.45x = 96,765.20 × 38,288.35
  4. Step 4: Simplify right side
    70,119.45x = 3,704,979,845.42
  5. Step 5: Solve for x
    x = 3,704,979,845.42/70,119.45
  6. Step 6: Final answer
    x = 52,838.12

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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.