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Finding the Fourth Proportional to 66,340.46, 91,394.08 and 46,162.68

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Solution

The fourth proportional to 66,340.46, 91,394.08 and 46,162.68 is: 63,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.46 : 91,394.08 = 46,162.68 : x
  2. Step 2: Convert to fraction form
    66,340.46/91,394.08 = 46,162.68/x
  3. Step 3: Cross multiply
    66,340.46x = 91,394.08 × 46,162.68
  4. Step 4: Simplify right side
    66,340.46x = 4,218,995,668.93
  5. Step 5: Solve for x
    x = 4,218,995,668.93/66,340.46
  6. Step 6: Final answer
    x = 63,596.12

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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.