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Finding the Fourth Proportional to 66,377.63, 91,601.94 and 38,085.95

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Solution

The fourth proportional to 66,377.63, 91,601.94 and 38,085.95 is: 52,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377.63 : 91,601.94 = 38,085.95 : x
  2. Step 2: Convert to fraction form
    66,377.63/91,601.94 = 38,085.95/x
  3. Step 3: Cross multiply
    66,377.63x = 91,601.94 × 38,085.95
  4. Step 4: Simplify right side
    66,377.63x = 3,488,746,448.73
  5. Step 5: Solve for x
    x = 3,488,746,448.73/66,377.63
  6. Step 6: Final answer
    x = 52,559.07

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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.