Home / 83,848.02-115,758.09-55,591.98

Finding the Fourth Proportional to 83,848.02, 115,758.09 and 55,591.98

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Solution

The fourth proportional to 83,848.02, 115,758.09 and 55,591.98 is: 76,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,848.02 : 115,758.09 = 55,591.98 : x
  2. Step 2: Convert to fraction form
    83,848.02/115,758.09 = 55,591.98/x
  3. Step 3: Cross multiply
    83,848.02x = 115,758.09 × 55,591.98
  4. Step 4: Simplify right side
    83,848.02x = 6,435,221,424.12
  5. Step 5: Solve for x
    x = 6,435,221,424.12/83,848.02
  6. Step 6: Final answer
    x = 76,748.64

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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.