Home / 60,743.24-91,118.10-19,187

Finding the Fourth Proportional to 60,743.24, 91,118.10 and 19,187

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Solution

The fourth proportional to 60,743.24, 91,118.10 and 19,187 is: 28,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,743.24 : 91,118.10 = 19,187 : x
  2. Step 2: Convert to fraction form
    60,743.24/91,118.10 = 19,187/x
  3. Step 3: Cross multiply
    60,743.24x = 91,118.10 × 19,187
  4. Step 4: Simplify right side
    60,743.24x = 1,748,282,984.70
  5. Step 5: Solve for x
    x = 1,748,282,984.70/60,743.24
  6. Step 6: Final answer
    x = 28,781.52

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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.