Home / 61,977.76-92,914.80-28,721.69

Finding the Fourth Proportional to 61,977.76, 92,914.80 and 28,721.69

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Solution

The fourth proportional to 61,977.76, 92,914.80 and 28,721.69 is: 43,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.76 : 92,914.80 = 28,721.69 : x
  2. Step 2: Convert to fraction form
    61,977.76/92,914.80 = 28,721.69/x
  3. Step 3: Cross multiply
    61,977.76x = 92,914.80 × 28,721.69
  4. Step 4: Simplify right side
    61,977.76x = 2,668,669,858.16
  5. Step 5: Solve for x
    x = 2,668,669,858.16/61,977.76
  6. Step 6: Final answer
    x = 43,058.51

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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.