Home / 85,306.91-117,724.64-47,068.02

Finding the Fourth Proportional to 85,306.91, 117,724.64 and 47,068.02

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Solution

The fourth proportional to 85,306.91, 117,724.64 and 47,068.02 is: 64,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306.91 : 117,724.64 = 47,068.02 : x
  2. Step 2: Convert to fraction form
    85,306.91/117,724.64 = 47,068.02/x
  3. Step 3: Cross multiply
    85,306.91x = 117,724.64 × 47,068.02
  4. Step 4: Simplify right side
    85,306.91x = 5,541,065,474.67
  5. Step 5: Solve for x
    x = 5,541,065,474.67/85,306.91
  6. Step 6: Final answer
    x = 64,954.48

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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.