Home / 79,019.04-109,045.26-47,230.32

Finding the Fourth Proportional to 79,019.04, 109,045.26 and 47,230.32

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Solution

The fourth proportional to 79,019.04, 109,045.26 and 47,230.32 is: 65,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,019.04 : 109,045.26 = 47,230.32 : x
  2. Step 2: Convert to fraction form
    79,019.04/109,045.26 = 47,230.32/x
  3. Step 3: Cross multiply
    79,019.04x = 109,045.26 × 47,230.32
  4. Step 4: Simplify right side
    79,019.04x = 5,150,242,524.28
  5. Step 5: Solve for x
    x = 5,150,242,524.28/79,019.04
  6. Step 6: Final answer
    x = 65,177.23

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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.