Home / 54,205.32-81,307.53-42,369.05

Finding the Fourth Proportional to 54,205.32, 81,307.53 and 42,369.05

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Solution

The fourth proportional to 54,205.32, 81,307.53 and 42,369.05 is: 63,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,205.32 : 81,307.53 = 42,369.05 : x
  2. Step 2: Convert to fraction form
    54,205.32/81,307.53 = 42,369.05/x
  3. Step 3: Cross multiply
    54,205.32x = 81,307.53 × 42,369.05
  4. Step 4: Simplify right side
    54,205.32x = 3,444,923,007.22
  5. Step 5: Solve for x
    x = 3,444,923,007.22/54,205.32
  6. Step 6: Final answer
    x = 63,553.22

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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.