Home / 85,228.92-117,621.18-46,988.28

Finding the Fourth Proportional to 85,228.92, 117,621.18 and 46,988.28

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Solution

The fourth proportional to 85,228.92, 117,621.18 and 46,988.28 is: 64,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.92 : 117,621.18 = 46,988.28 : x
  2. Step 2: Convert to fraction form
    85,228.92/117,621.18 = 46,988.28/x
  3. Step 3: Cross multiply
    85,228.92x = 117,621.18 × 46,988.28
  4. Step 4: Simplify right side
    85,228.92x = 5,526,816,939.77
  5. Step 5: Solve for x
    x = 5,526,816,939.77/85,228.92
  6. Step 6: Final answer
    x = 64,846.73

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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.