Home / 51,663.91-77,421.93-29,431.36

Finding the Fourth Proportional to 51,663.91, 77,421.93 and 29,431.36

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Solution

The fourth proportional to 51,663.91, 77,421.93 and 29,431.36 is: 44,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,663.91 : 77,421.93 = 29,431.36 : x
  2. Step 2: Convert to fraction form
    51,663.91/77,421.93 = 29,431.36/x
  3. Step 3: Cross multiply
    51,663.91x = 77,421.93 × 29,431.36
  4. Step 4: Simplify right side
    51,663.91x = 2,278,632,693.72
  5. Step 5: Solve for x
    x = 2,278,632,693.72/51,663.91
  6. Step 6: Final answer
    x = 44,104.92

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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.