Home / 90,326.66-135,574.02-45,986.58

Finding the Fourth Proportional to 90,326.66, 135,574.02 and 45,986.58

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Solution

The fourth proportional to 90,326.66, 135,574.02 and 45,986.58 is: 69,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,326.66 : 135,574.02 = 45,986.58 : x
  2. Step 2: Convert to fraction form
    90,326.66/135,574.02 = 45,986.58/x
  3. Step 3: Cross multiply
    90,326.66x = 135,574.02 × 45,986.58
  4. Step 4: Simplify right side
    90,326.66x = 6,234,585,516.65
  5. Step 5: Solve for x
    x = 6,234,585,516.65/90,326.66
  6. Step 6: Final answer
    x = 69,022.65

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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.