Home / 70,139.86-96,793.01-38,308.84

Finding the Fourth Proportional to 70,139.86, 96,793.01 and 38,308.84

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Solution

The fourth proportional to 70,139.86, 96,793.01 and 38,308.84 is: 52,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,139.86 : 96,793.01 = 38,308.84 : x
  2. Step 2: Convert to fraction form
    70,139.86/96,793.01 = 38,308.84/x
  3. Step 3: Cross multiply
    70,139.86x = 96,793.01 × 38,308.84
  4. Step 4: Simplify right side
    70,139.86x = 3,708,027,499.68
  5. Step 5: Solve for x
    x = 3,708,027,499.68/70,139.86
  6. Step 6: Final answer
    x = 52,866.20

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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.