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Finding the Fourth Proportional to 69,348.80, 104,008.80 and 29,907.20

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Solution

The fourth proportional to 69,348.80, 104,008.80 and 29,907.20 is: 44,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348.80 : 104,008.80 = 29,907.20 : x
  2. Step 2: Convert to fraction form
    69,348.80/104,008.80 = 29,907.20/x
  3. Step 3: Cross multiply
    69,348.80x = 104,008.80 × 29,907.20
  4. Step 4: Simplify right side
    69,348.80x = 3,110,611,983.36
  5. Step 5: Solve for x
    x = 3,110,611,983.36/69,348.80
  6. Step 6: Final answer
    x = 44,854.59

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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.