Home / 79,464.32-109,670.28-47,632.16

Finding the Fourth Proportional to 79,464.32, 109,670.28 and 47,632.16

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Solution

The fourth proportional to 79,464.32, 109,670.28 and 47,632.16 is: 65,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,464.32 : 109,670.28 = 47,632.16 : x
  2. Step 2: Convert to fraction form
    79,464.32/109,670.28 = 47,632.16/x
  3. Step 3: Cross multiply
    79,464.32x = 109,670.28 × 47,632.16
  4. Step 4: Simplify right side
    79,464.32x = 5,223,832,324.20
  5. Step 5: Solve for x
    x = 5,223,832,324.20/79,464.32
  6. Step 6: Final answer
    x = 65,738.09

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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.