Home / 69,067.40-103,677.90-42,801.80

Finding the Fourth Proportional to 69,067.40, 103,677.90 and 42,801.80

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Solution

The fourth proportional to 69,067.40, 103,677.90 and 42,801.80 is: 64,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,067.40 : 103,677.90 = 42,801.80 : x
  2. Step 2: Convert to fraction form
    69,067.40/103,677.90 = 42,801.80/x
  3. Step 3: Cross multiply
    69,067.40x = 103,677.90 × 42,801.80
  4. Step 4: Simplify right side
    69,067.40x = 4,437,600,740.22
  5. Step 5: Solve for x
    x = 4,437,600,740.22/69,067.40
  6. Step 6: Final answer
    x = 64,250.29

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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.