Home / 75,681.22-104,440.10-43,868.58

Finding the Fourth Proportional to 75,681.22, 104,440.10 and 43,868.58

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Solution

The fourth proportional to 75,681.22, 104,440.10 and 43,868.58 is: 60,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.22 : 104,440.10 = 43,868.58 : x
  2. Step 2: Convert to fraction form
    75,681.22/104,440.10 = 43,868.58/x
  3. Step 3: Cross multiply
    75,681.22x = 104,440.10 × 43,868.58
  4. Step 4: Simplify right side
    75,681.22x = 4,581,638,882.06
  5. Step 5: Solve for x
    x = 4,581,638,882.06/75,681.22
  6. Step 6: Final answer
    x = 60,538.65

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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.