Home / 55,917.05-77,140.10-33,243.17

Finding the Fourth Proportional to 55,917.05, 77,140.10 and 33,243.17

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Solution

The fourth proportional to 55,917.05, 77,140.10 and 33,243.17 is: 45,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917.05 : 77,140.10 = 33,243.17 : x
  2. Step 2: Convert to fraction form
    55,917.05/77,140.10 = 33,243.17/x
  3. Step 3: Cross multiply
    55,917.05x = 77,140.10 × 33,243.17
  4. Step 4: Simplify right side
    55,917.05x = 2,564,381,458.12
  5. Step 5: Solve for x
    x = 2,564,381,458.12/55,917.05
  6. Step 6: Final answer
    x = 45,860.46

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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.