Home / 51,663.90-77,421.93-29,431.38

Finding the Fourth Proportional to 51,663.90, 77,421.93 and 29,431.38

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Solution

The fourth proportional to 51,663.90, 77,421.93 and 29,431.38 is: 44,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,663.90 : 77,421.93 = 29,431.38 : x
  2. Step 2: Convert to fraction form
    51,663.90/77,421.93 = 29,431.38/x
  3. Step 3: Cross multiply
    51,663.90x = 77,421.93 × 29,431.38
  4. Step 4: Simplify right side
    51,663.90x = 2,278,634,242.16
  5. Step 5: Solve for x
    x = 2,278,634,242.16/51,663.90
  6. Step 6: Final answer
    x = 44,104.96

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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.