Home / 90,630.42-135,959.46-46,232.95

Finding the Fourth Proportional to 90,630.42, 135,959.46 and 46,232.95

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Solution

The fourth proportional to 90,630.42, 135,959.46 and 46,232.95 is: 69,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,630.42 : 135,959.46 = 46,232.95 : x
  2. Step 2: Convert to fraction form
    90,630.42/135,959.46 = 46,232.95/x
  3. Step 3: Cross multiply
    90,630.42x = 135,959.46 × 46,232.95
  4. Step 4: Simplify right side
    90,630.42x = 6,285,806,576.31
  5. Step 5: Solve for x
    x = 6,285,806,576.31/90,630.42
  6. Step 6: Final answer
    x = 69,356.48

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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.