Home / 85,054.17-117,374.76-49,246.05

Finding the Fourth Proportional to 85,054.17, 117,374.76 and 49,246.05

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Solution

The fourth proportional to 85,054.17, 117,374.76 and 49,246.05 is: 67,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,054.17 : 117,374.76 = 49,246.05 : x
  2. Step 2: Convert to fraction form
    85,054.17/117,374.76 = 49,246.05/x
  3. Step 3: Cross multiply
    85,054.17x = 117,374.76 × 49,246.05
  4. Step 4: Simplify right side
    85,054.17x = 5,780,243,299.70
  5. Step 5: Solve for x
    x = 5,780,243,299.70/85,054.17
  6. Step 6: Final answer
    x = 67,959.55

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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.