Home / 77,888.22-116,748.09-31,089.66

Finding the Fourth Proportional to 77,888.22, 116,748.09 and 31,089.66

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Solution

The fourth proportional to 77,888.22, 116,748.09 and 31,089.66 is: 46,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,888.22 : 116,748.09 = 31,089.66 : x
  2. Step 2: Convert to fraction form
    77,888.22/116,748.09 = 31,089.66/x
  3. Step 3: Cross multiply
    77,888.22x = 116,748.09 × 31,089.66
  4. Step 4: Simplify right side
    77,888.22x = 3,629,658,423.75
  5. Step 5: Solve for x
    x = 3,629,658,423.75/77,888.22
  6. Step 6: Final answer
    x = 46,600.86

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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.