Home / 102,616.72-141,609.73-57,295.47

Finding the Fourth Proportional to 102,616.72, 141,609.73 and 57,295.47

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Solution

The fourth proportional to 102,616.72, 141,609.73 and 57,295.47 is: 79,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,616.72 : 141,609.73 = 57,295.47 : x
  2. Step 2: Convert to fraction form
    102,616.72/141,609.73 = 57,295.47/x
  3. Step 3: Cross multiply
    102,616.72x = 141,609.73 × 57,295.47
  4. Step 4: Simplify right side
    102,616.72x = 8,113,596,036.92
  5. Step 5: Solve for x
    x = 8,113,596,036.92/102,616.72
  6. Step 6: Final answer
    x = 79,067.00

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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.