Home / 75,599.21-104,331.20-43,339.16

Finding the Fourth Proportional to 75,599.21, 104,331.20 and 43,339.16

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Solution

The fourth proportional to 75,599.21, 104,331.20 and 43,339.16 is: 59,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,599.21 : 104,331.20 = 43,339.16 : x
  2. Step 2: Convert to fraction form
    75,599.21/104,331.20 = 43,339.16/x
  3. Step 3: Cross multiply
    75,599.21x = 104,331.20 × 43,339.16
  4. Step 4: Simplify right side
    75,599.21x = 4,521,625,831.44
  5. Step 5: Solve for x
    x = 4,521,625,831.44/75,599.21
  6. Step 6: Final answer
    x = 59,810.49

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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.