Home / 74,823.65-112,249.14-45,206.20

Finding the Fourth Proportional to 74,823.65, 112,249.14 and 45,206.20

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Solution

The fourth proportional to 74,823.65, 112,249.14 and 45,206.20 is: 67,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.65 : 112,249.14 = 45,206.20 : x
  2. Step 2: Convert to fraction form
    74,823.65/112,249.14 = 45,206.20/x
  3. Step 3: Cross multiply
    74,823.65x = 112,249.14 × 45,206.20
  4. Step 4: Simplify right side
    74,823.65x = 5,074,357,297.74
  5. Step 5: Solve for x
    x = 5,074,357,297.74/74,823.65
  6. Step 6: Final answer
    x = 67,817.56

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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.