Home / 77,816.10-107,395.74-50,965.32

Finding the Fourth Proportional to 77,816.10, 107,395.74 and 50,965.32

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Solution

The fourth proportional to 77,816.10, 107,395.74 and 50,965.32 is: 70,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,816.10 : 107,395.74 = 50,965.32 : x
  2. Step 2: Convert to fraction form
    77,816.10/107,395.74 = 50,965.32/x
  3. Step 3: Cross multiply
    77,816.10x = 107,395.74 × 50,965.32
  4. Step 4: Simplify right side
    77,816.10x = 5,473,458,255.74
  5. Step 5: Solve for x
    x = 5,473,458,255.74/77,816.10
  6. Step 6: Final answer
    x = 70,338.38

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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.