Home / 75,816.32-104,670.72-50,357.12

Finding the Fourth Proportional to 75,816.32, 104,670.72 and 50,357.12

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Solution

The fourth proportional to 75,816.32, 104,670.72 and 50,357.12 is: 69,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816.32 : 104,670.72 = 50,357.12 : x
  2. Step 2: Convert to fraction form
    75,816.32/104,670.72 = 50,357.12/x
  3. Step 3: Cross multiply
    75,816.32x = 104,670.72 × 50,357.12
  4. Step 4: Simplify right side
    75,816.32x = 5,270,916,007.53
  5. Step 5: Solve for x
    x = 5,270,916,007.53/75,816.32
  6. Step 6: Final answer
    x = 69,522.18

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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.