Home / 65,744.32-90,727.12-35,529.64

Finding the Fourth Proportional to 65,744.32, 90,727.12 and 35,529.64

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Solution

The fourth proportional to 65,744.32, 90,727.12 and 35,529.64 is: 49,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.32 : 90,727.12 = 35,529.64 : x
  2. Step 2: Convert to fraction form
    65,744.32/90,727.12 = 35,529.64/x
  3. Step 3: Cross multiply
    65,744.32x = 90,727.12 × 35,529.64
  4. Step 4: Simplify right side
    65,744.32x = 3,223,501,911.84
  5. Step 5: Solve for x
    x = 3,223,501,911.84/65,744.32
  6. Step 6: Final answer
    x = 49,030.88

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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.