Home / 84,559.87-126,729.65-47,118.43

Finding the Fourth Proportional to 84,559.87, 126,729.65 and 47,118.43

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Solution

The fourth proportional to 84,559.87, 126,729.65 and 47,118.43 is: 70,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.87 : 126,729.65 = 47,118.43 : x
  2. Step 2: Convert to fraction form
    84,559.87/126,729.65 = 47,118.43/x
  3. Step 3: Cross multiply
    84,559.87x = 126,729.65 × 47,118.43
  4. Step 4: Simplify right side
    84,559.87x = 5,971,302,617.69
  5. Step 5: Solve for x
    x = 5,971,302,617.69/84,559.87
  6. Step 6: Final answer
    x = 70,616.27

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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.