Home / 56,210.56-77,578.49-35,786.10

Finding the Fourth Proportional to 56,210.56, 77,578.49 and 35,786.10

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Solution

The fourth proportional to 56,210.56, 77,578.49 and 35,786.10 is: 49,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210.56 : 77,578.49 = 35,786.10 : x
  2. Step 2: Convert to fraction form
    56,210.56/77,578.49 = 35,786.10/x
  3. Step 3: Cross multiply
    56,210.56x = 77,578.49 × 35,786.10
  4. Step 4: Simplify right side
    56,210.56x = 2,776,231,679.35
  5. Step 5: Solve for x
    x = 2,776,231,679.35/56,210.56
  6. Step 6: Final answer
    x = 49,389.86

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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.