Home / 79,465.32-109,671.66-47,633.16

Finding the Fourth Proportional to 79,465.32, 109,671.66 and 47,633.16

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Solution

The fourth proportional to 79,465.32, 109,671.66 and 47,633.16 is: 65,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,465.32 : 109,671.66 = 47,633.16 : x
  2. Step 2: Convert to fraction form
    79,465.32/109,671.66 = 47,633.16/x
  3. Step 3: Cross multiply
    79,465.32x = 109,671.66 × 47,633.16
  4. Step 4: Simplify right side
    79,465.32x = 5,224,007,728.25
  5. Step 5: Solve for x
    x = 5,224,007,728.25/79,465.32
  6. Step 6: Final answer
    x = 65,739.47

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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.