Home / 75,027.79-103,564.43-43,209.37

Finding the Fourth Proportional to 75,027.79, 103,564.43 and 43,209.37

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Solution

The fourth proportional to 75,027.79, 103,564.43 and 43,209.37 is: 59,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,027.79 : 103,564.43 = 43,209.37 : x
  2. Step 2: Convert to fraction form
    75,027.79/103,564.43 = 43,209.37/x
  3. Step 3: Cross multiply
    75,027.79x = 103,564.43 × 43,209.37
  4. Step 4: Simplify right side
    75,027.79x = 4,474,953,774.71
  5. Step 5: Solve for x
    x = 4,474,953,774.71/75,027.79
  6. Step 6: Final answer
    x = 59,643.95

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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.