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Finding the Fourth Proportional to 94,382.94, 141,661.92 and 47,668.62

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Solution

The fourth proportional to 94,382.94, 141,661.92 and 47,668.62 is: 71,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,382.94 : 141,661.92 = 47,668.62 : x
  2. Step 2: Convert to fraction form
    94,382.94/141,661.92 = 47,668.62/x
  3. Step 3: Cross multiply
    94,382.94x = 141,661.92 × 47,668.62
  4. Step 4: Simplify right side
    94,382.94x = 6,752,828,232.95
  5. Step 5: Solve for x
    x = 6,752,828,232.95/94,382.94
  6. Step 6: Final answer
    x = 71,547.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.