Home / 61,053.02-91,593.76-18,930.90

Finding the Fourth Proportional to 61,053.02, 91,593.76 and 18,930.90

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Solution

The fourth proportional to 61,053.02, 91,593.76 and 18,930.90 is: 28,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,053.02 : 91,593.76 = 18,930.90 : x
  2. Step 2: Convert to fraction form
    61,053.02/91,593.76 = 18,930.90/x
  3. Step 3: Cross multiply
    61,053.02x = 91,593.76 × 18,930.90
  4. Step 4: Simplify right side
    61,053.02x = 1,733,952,311.18
  5. Step 5: Solve for x
    x = 1,733,952,311.18/61,053.02
  6. Step 6: Final answer
    x = 28,400.76

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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.