Home / 56,169.77-77,514.27-31,019.27

Finding the Fourth Proportional to 56,169.77, 77,514.27 and 31,019.27

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Solution

The fourth proportional to 56,169.77, 77,514.27 and 31,019.27 is: 42,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169.77 : 77,514.27 = 31,019.27 : x
  2. Step 2: Convert to fraction form
    56,169.77/77,514.27 = 31,019.27/x
  3. Step 3: Cross multiply
    56,169.77x = 77,514.27 × 31,019.27
  4. Step 4: Simplify right side
    56,169.77x = 2,404,436,069.98
  5. Step 5: Solve for x
    x = 2,404,436,069.98/56,169.77
  6. Step 6: Final answer
    x = 42,806.59

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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.