Home / 61,110.14-91,805.54-43,139.69

Finding the Fourth Proportional to 61,110.14, 91,805.54 and 43,139.69

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Solution

The fourth proportional to 61,110.14, 91,805.54 and 43,139.69 is: 64,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,110.14 : 91,805.54 = 43,139.69 : x
  2. Step 2: Convert to fraction form
    61,110.14/91,805.54 = 43,139.69/x
  3. Step 3: Cross multiply
    61,110.14x = 91,805.54 × 43,139.69
  4. Step 4: Simplify right side
    61,110.14x = 3,960,462,184.70
  5. Step 5: Solve for x
    x = 3,960,462,184.70/61,110.14
  6. Step 6: Final answer
    x = 64,808.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.