Home / 70,140.36-96,793.70-38,309.34

Finding the Fourth Proportional to 70,140.36, 96,793.70 and 38,309.34

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Solution

The fourth proportional to 70,140.36, 96,793.70 and 38,309.34 is: 52,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,140.36 : 96,793.70 = 38,309.34 : x
  2. Step 2: Convert to fraction form
    70,140.36/96,793.70 = 38,309.34/x
  3. Step 3: Cross multiply
    70,140.36x = 96,793.70 × 38,309.34
  4. Step 4: Simplify right side
    70,140.36x = 3,708,102,571.61
  5. Step 5: Solve for x
    x = 3,708,102,571.61/70,140.36
  6. Step 6: Final answer
    x = 52,866.89

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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.