Home / 82,945.80-124,281.90-47,824.20

Finding the Fourth Proportional to 82,945.80, 124,281.90 and 47,824.20

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Solution

The fourth proportional to 82,945.80, 124,281.90 and 47,824.20 is: 71,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945.80 : 124,281.90 = 47,824.20 : x
  2. Step 2: Convert to fraction form
    82,945.80/124,281.90 = 47,824.20/x
  3. Step 3: Cross multiply
    82,945.80x = 124,281.90 × 47,824.20
  4. Step 4: Simplify right side
    82,945.80x = 5,943,682,441.98
  5. Step 5: Solve for x
    x = 5,943,682,441.98/82,945.80
  6. Step 6: Final answer
    x = 71,657.42

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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.