Home / 55,850.15-77,073.62-30,356.51

Finding the Fourth Proportional to 55,850.15, 77,073.62 and 30,356.51

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Solution

The fourth proportional to 55,850.15, 77,073.62 and 30,356.51 is: 41,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,850.15 : 77,073.62 = 30,356.51 : x
  2. Step 2: Convert to fraction form
    55,850.15/77,073.62 = 30,356.51/x
  3. Step 3: Cross multiply
    55,850.15x = 77,073.62 × 30,356.51
  4. Step 4: Simplify right side
    55,850.15x = 2,339,685,579.12
  5. Step 5: Solve for x
    x = 2,339,685,579.12/55,850.15
  6. Step 6: Final answer
    x = 41,892.20

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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.