Home / 74,933.80-112,070.22-66,671.80

Finding the Fourth Proportional to 74,933.80, 112,070.22 and 66,671.80

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Solution

The fourth proportional to 74,933.80, 112,070.22 and 66,671.80 is: 99,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.80 : 112,070.22 = 66,671.80 : x
  2. Step 2: Convert to fraction form
    74,933.80/112,070.22 = 66,671.80/x
  3. Step 3: Cross multiply
    74,933.80x = 112,070.22 × 66,671.80
  4. Step 4: Simplify right side
    74,933.80x = 7,471,923,293.80
  5. Step 5: Solve for x
    x = 7,471,923,293.80/74,933.80
  6. Step 6: Final answer
    x = 99,713.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.