Home / 125,053.97-187,466.01-45,072.36

Finding the Fourth Proportional to 125,053.97, 187,466.01 and 45,072.36

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Solution

The fourth proportional to 125,053.97, 187,466.01 and 45,072.36 is: 67,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,053.97 : 187,466.01 = 45,072.36 : x
  2. Step 2: Convert to fraction form
    125,053.97/187,466.01 = 45,072.36/x
  3. Step 3: Cross multiply
    125,053.97x = 187,466.01 × 45,072.36
  4. Step 4: Simplify right side
    125,053.97x = 8,449,535,988.80
  5. Step 5: Solve for x
    x = 8,449,535,988.80/125,053.97
  6. Step 6: Final answer
    x = 67,567.11

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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.