Home / 70,932.80-106,007.14-66,835.76

Finding the Fourth Proportional to 70,932.80, 106,007.14 and 66,835.76

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Solution

The fourth proportional to 70,932.80, 106,007.14 and 66,835.76 is: 99,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,932.80 : 106,007.14 = 66,835.76 : x
  2. Step 2: Convert to fraction form
    70,932.80/106,007.14 = 66,835.76/x
  3. Step 3: Cross multiply
    70,932.80x = 106,007.14 × 66,835.76
  4. Step 4: Simplify right side
    70,932.80x = 7,085,067,767.33
  5. Step 5: Solve for x
    x = 7,085,067,767.33/70,932.80
  6. Step 6: Final answer
    x = 99,884.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.