Home / 79,400.37-109,574.19-43,590.27

Finding the Fourth Proportional to 79,400.37, 109,574.19 and 43,590.27

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Solution

The fourth proportional to 79,400.37, 109,574.19 and 43,590.27 is: 60,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,400.37 : 109,574.19 = 43,590.27 : x
  2. Step 2: Convert to fraction form
    79,400.37/109,574.19 = 43,590.27/x
  3. Step 3: Cross multiply
    79,400.37x = 109,574.19 × 43,590.27
  4. Step 4: Simplify right side
    79,400.37x = 4,776,368,527.13
  5. Step 5: Solve for x
    x = 4,776,368,527.13/79,400.37
  6. Step 6: Final answer
    x = 60,155.49

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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.