Home / 66,770.13-92,143.88-36,554.95

Finding the Fourth Proportional to 66,770.13, 92,143.88 and 36,554.95

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Solution

The fourth proportional to 66,770.13, 92,143.88 and 36,554.95 is: 50,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.13 : 92,143.88 = 36,554.95 : x
  2. Step 2: Convert to fraction form
    66,770.13/92,143.88 = 36,554.95/x
  3. Step 3: Cross multiply
    66,770.13x = 92,143.88 × 36,554.95
  4. Step 4: Simplify right side
    66,770.13x = 3,368,314,926.21
  5. Step 5: Solve for x
    x = 3,368,314,926.21/66,770.13
  6. Step 6: Final answer
    x = 50,446.43

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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.