Home / 82,947.40-124,226.70-51,454.60

Finding the Fourth Proportional to 82,947.40, 124,226.70 and 51,454.60

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Solution

The fourth proportional to 82,947.40, 124,226.70 and 51,454.60 is: 77,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.40 : 124,226.70 = 51,454.60 : x
  2. Step 2: Convert to fraction form
    82,947.40/124,226.70 = 51,454.60/x
  3. Step 3: Cross multiply
    82,947.40x = 124,226.70 × 51,454.60
  4. Step 4: Simplify right side
    82,947.40x = 6,392,035,157.82
  5. Step 5: Solve for x
    x = 6,392,035,157.82/82,947.40
  6. Step 6: Final answer
    x = 77,061.31

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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.