Home / 69,909.24-104,863.62-28,356.12

Finding the Fourth Proportional to 69,909.24, 104,863.62 and 28,356.12

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Solution

The fourth proportional to 69,909.24, 104,863.62 and 28,356.12 is: 42,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.24 : 104,863.62 = 28,356.12 : x
  2. Step 2: Convert to fraction form
    69,909.24/104,863.62 = 28,356.12/x
  3. Step 3: Cross multiply
    69,909.24x = 104,863.62 × 28,356.12
  4. Step 4: Simplify right side
    69,909.24x = 2,973,525,392.35
  5. Step 5: Solve for x
    x = 2,973,525,392.35/69,909.24
  6. Step 6: Final answer
    x = 42,534.08

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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.