Home / 83,845.02-115,753.95-55,588.98

Finding the Fourth Proportional to 83,845.02, 115,753.95 and 55,588.98

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Solution

The fourth proportional to 83,845.02, 115,753.95 and 55,588.98 is: 76,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,845.02 : 115,753.95 = 55,588.98 : x
  2. Step 2: Convert to fraction form
    83,845.02/115,753.95 = 55,588.98/x
  3. Step 3: Cross multiply
    83,845.02x = 115,753.95 × 55,588.98
  4. Step 4: Simplify right side
    83,845.02x = 6,434,644,011.47
  5. Step 5: Solve for x
    x = 6,434,644,011.47/83,845.02
  6. Step 6: Final answer
    x = 76,744.50

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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.