Home / 58,526.78-80,766.79-31,669.74

Finding the Fourth Proportional to 58,526.78, 80,766.79 and 31,669.74

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Solution

The fourth proportional to 58,526.78, 80,766.79 and 31,669.74 is: 43,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,526.78 : 80,766.79 = 31,669.74 : x
  2. Step 2: Convert to fraction form
    58,526.78/80,766.79 = 31,669.74/x
  3. Step 3: Cross multiply
    58,526.78x = 80,766.79 × 31,669.74
  4. Step 4: Simplify right side
    58,526.78x = 2,557,863,160.76
  5. Step 5: Solve for x
    x = 2,557,863,160.76/58,526.78
  6. Step 6: Final answer
    x = 43,704.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.