Home / 56,100.19-77,418.26-30,949.69

Finding the Fourth Proportional to 56,100.19, 77,418.26 and 30,949.69

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Solution

The fourth proportional to 56,100.19, 77,418.26 and 30,949.69 is: 42,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.19 : 77,418.26 = 30,949.69 : x
  2. Step 2: Convert to fraction form
    56,100.19/77,418.26 = 30,949.69/x
  3. Step 3: Cross multiply
    56,100.19x = 77,418.26 × 30,949.69
  4. Step 4: Simplify right side
    56,100.19x = 2,396,071,147.34
  5. Step 5: Solve for x
    x = 2,396,071,147.34/56,100.19
  6. Step 6: Final answer
    x = 42,710.57

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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.