Home / 69,947.79-104,882.80-28,346.19

Finding the Fourth Proportional to 69,947.79, 104,882.80 and 28,346.19

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Solution

The fourth proportional to 69,947.79, 104,882.80 and 28,346.19 is: 42,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,947.79 : 104,882.80 = 28,346.19 : x
  2. Step 2: Convert to fraction form
    69,947.79/104,882.80 = 28,346.19/x
  3. Step 3: Cross multiply
    69,947.79x = 104,882.80 × 28,346.19
  4. Step 4: Simplify right side
    69,947.79x = 2,973,027,776.53
  5. Step 5: Solve for x
    x = 2,973,027,776.53/69,947.79
  6. Step 6: Final answer
    x = 42,503.53

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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.