Home / 75,079.24-103,632.42-43,269.32

Finding the Fourth Proportional to 75,079.24, 103,632.42 and 43,269.32

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Solution

The fourth proportional to 75,079.24, 103,632.42 and 43,269.32 is: 59,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,079.24 : 103,632.42 = 43,269.32 : x
  2. Step 2: Convert to fraction form
    75,079.24/103,632.42 = 43,269.32/x
  3. Step 3: Cross multiply
    75,079.24x = 103,632.42 × 43,269.32
  4. Step 4: Simplify right side
    75,079.24x = 4,484,104,343.35
  5. Step 5: Solve for x
    x = 4,484,104,343.35/75,079.24
  6. Step 6: Final answer
    x = 59,724.96

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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.