Home / 61,174.14-91,749.42-19,054.68

Finding the Fourth Proportional to 61,174.14, 91,749.42 and 19,054.68

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Solution

The fourth proportional to 61,174.14, 91,749.42 and 19,054.68 is: 28,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,174.14 : 91,749.42 = 19,054.68 : x
  2. Step 2: Convert to fraction form
    61,174.14/91,749.42 = 19,054.68/x
  3. Step 3: Cross multiply
    61,174.14x = 91,749.42 × 19,054.68
  4. Step 4: Simplify right side
    61,174.14x = 1,748,255,838.29
  5. Step 5: Solve for x
    x = 1,748,255,838.29/61,174.14
  6. Step 6: Final answer
    x = 28,578.35

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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.