Home / 77,631.64-116,447.46-61,975.96

Finding the Fourth Proportional to 77,631.64, 116,447.46 and 61,975.96

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Solution

The fourth proportional to 77,631.64, 116,447.46 and 61,975.96 is: 92,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,631.64 : 116,447.46 = 61,975.96 : x
  2. Step 2: Convert to fraction form
    77,631.64/116,447.46 = 61,975.96/x
  3. Step 3: Cross multiply
    77,631.64x = 116,447.46 × 61,975.96
  4. Step 4: Simplify right side
    77,631.64x = 7,216,943,123.06
  5. Step 5: Solve for x
    x = 7,216,943,123.06/77,631.64
  6. Step 6: Final answer
    x = 92,963.94

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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.