Home / 79,815.40-119,646.30-62,036.20

Finding the Fourth Proportional to 79,815.40, 119,646.30 and 62,036.20

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Solution

The fourth proportional to 79,815.40, 119,646.30 and 62,036.20 is: 92,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,815.40 : 119,646.30 = 62,036.20 : x
  2. Step 2: Convert to fraction form
    79,815.40/119,646.30 = 62,036.20/x
  3. Step 3: Cross multiply
    79,815.40x = 119,646.30 × 62,036.20
  4. Step 4: Simplify right side
    79,815.40x = 7,422,401,796.06
  5. Step 5: Solve for x
    x = 7,422,401,796.06/79,815.40
  6. Step 6: Final answer
    x = 92,994.61

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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.