Home / 90,936.12-136,431.18-46,594.02

Finding the Fourth Proportional to 90,936.12, 136,431.18 and 46,594.02

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Solution

The fourth proportional to 90,936.12, 136,431.18 and 46,594.02 is: 69,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.12 : 136,431.18 = 46,594.02 : x
  2. Step 2: Convert to fraction form
    90,936.12/136,431.18 = 46,594.02/x
  3. Step 3: Cross multiply
    90,936.12x = 136,431.18 × 46,594.02
  4. Step 4: Simplify right side
    90,936.12x = 6,356,877,129.54
  5. Step 5: Solve for x
    x = 6,356,877,129.54/90,936.12
  6. Step 6: Final answer
    x = 69,904.86

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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.