Home / 102,616.93-141,609.89-57,295.62

Finding the Fourth Proportional to 102,616.93, 141,609.89 and 57,295.62

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Solution

The fourth proportional to 102,616.93, 141,609.89 and 57,295.62 is: 79,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,616.93 : 141,609.89 = 57,295.62 : x
  2. Step 2: Convert to fraction form
    102,616.93/141,609.89 = 57,295.62/x
  3. Step 3: Cross multiply
    102,616.93x = 141,609.89 × 57,295.62
  4. Step 4: Simplify right side
    102,616.93x = 8,113,626,266.63
  5. Step 5: Solve for x
    x = 8,113,626,266.63/102,616.93
  6. Step 6: Final answer
    x = 79,067.13

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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.