Home / 75,620.42-104,358.88-43,360.04

Finding the Fourth Proportional to 75,620.42, 104,358.88 and 43,360.04

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Solution

The fourth proportional to 75,620.42, 104,358.88 and 43,360.04 is: 59,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,620.42 : 104,358.88 = 43,360.04 : x
  2. Step 2: Convert to fraction form
    75,620.42/104,358.88 = 43,360.04/x
  3. Step 3: Cross multiply
    75,620.42x = 104,358.88 × 43,360.04
  4. Step 4: Simplify right side
    75,620.42x = 4,525,005,526.25
  5. Step 5: Solve for x
    x = 4,525,005,526.25/75,620.42
  6. Step 6: Final answer
    x = 59,838.41

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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.