Home / 66,860.40-92,266.77-36,645.12

Finding the Fourth Proportional to 66,860.40, 92,266.77 and 36,645.12

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Solution

The fourth proportional to 66,860.40, 92,266.77 and 36,645.12 is: 50,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,860.40 : 92,266.77 = 36,645.12 : x
  2. Step 2: Convert to fraction form
    66,860.40/92,266.77 = 36,645.12/x
  3. Step 3: Cross multiply
    66,860.40x = 92,266.77 × 36,645.12
  4. Step 4: Simplify right side
    66,860.40x = 3,381,126,858.66
  5. Step 5: Solve for x
    x = 3,381,126,858.66/66,860.40
  6. Step 6: Final answer
    x = 50,569.95

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1.5x scale

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.