Home / 66,423.80-99,653.31-38,293.25

Finding the Fourth Proportional to 66,423.80, 99,653.31 and 38,293.25

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Solution

The fourth proportional to 66,423.80, 99,653.31 and 38,293.25 is: 57,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.80 : 99,653.31 = 38,293.25 : x
  2. Step 2: Convert to fraction form
    66,423.80/99,653.31 = 38,293.25/x
  3. Step 3: Cross multiply
    66,423.80x = 99,653.31 × 38,293.25
  4. Step 4: Simplify right side
    66,423.80x = 3,816,048,614.89
  5. Step 5: Solve for x
    x = 3,816,048,614.89/66,423.80
  6. Step 6: Final answer
    x = 57,450.02

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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.