Home / 66,514.84-91,766.41-51,206.06

Finding the Fourth Proportional to 66,514.84, 91,766.41 and 51,206.06

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Solution

The fourth proportional to 66,514.84, 91,766.41 and 51,206.06 is: 70,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.84 : 91,766.41 = 51,206.06 : x
  2. Step 2: Convert to fraction form
    66,514.84/91,766.41 = 51,206.06/x
  3. Step 3: Cross multiply
    66,514.84x = 91,766.41 × 51,206.06
  4. Step 4: Simplify right side
    66,514.84x = 4,698,996,397.85
  5. Step 5: Solve for x
    x = 4,698,996,397.85/66,514.84
  6. Step 6: Final answer
    x = 70,645.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.