Home / 54,205.25-81,307.41-42,368.98

Finding the Fourth Proportional to 54,205.25, 81,307.41 and 42,368.98

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Solution

The fourth proportional to 54,205.25, 81,307.41 and 42,368.98 is: 63,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,205.25 : 81,307.41 = 42,368.98 : x
  2. Step 2: Convert to fraction form
    54,205.25/81,307.41 = 42,368.98/x
  3. Step 3: Cross multiply
    54,205.25x = 81,307.41 × 42,368.98
  4. Step 4: Simplify right side
    54,205.25x = 3,444,912,028.14
  5. Step 5: Solve for x
    x = 3,444,912,028.14/54,205.25
  6. Step 6: Final answer
    x = 63,553.11

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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.