Home / 75,569.30-104,286.51-43,303.28

Finding the Fourth Proportional to 75,569.30, 104,286.51 and 43,303.28

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Solution

The fourth proportional to 75,569.30, 104,286.51 and 43,303.28 is: 59,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,569.30 : 104,286.51 = 43,303.28 : x
  2. Step 2: Convert to fraction form
    75,569.30/104,286.51 = 43,303.28/x
  3. Step 3: Cross multiply
    75,569.30x = 104,286.51 × 43,303.28
  4. Step 4: Simplify right side
    75,569.30x = 4,515,947,421.32
  5. Step 5: Solve for x
    x = 4,515,947,421.32/75,569.30
  6. Step 6: Final answer
    x = 59,759.03

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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.