Home / 117,799.75-162,563.66-64,807.75

Finding the Fourth Proportional to 117,799.75, 162,563.66 and 64,807.75

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Solution

The fourth proportional to 117,799.75, 162,563.66 and 64,807.75 is: 89,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,799.75 : 162,563.66 = 64,807.75 : x
  2. Step 2: Convert to fraction form
    117,799.75/162,563.66 = 64,807.75/x
  3. Step 3: Cross multiply
    117,799.75x = 162,563.66 × 64,807.75
  4. Step 4: Simplify right side
    117,799.75x = 10,535,385,036.37
  5. Step 5: Solve for x
    x = 10,535,385,036.37/117,799.75
  6. Step 6: Final answer
    x = 89,434.70

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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.