Home / 90,427.92-135,643.02-62,340.46

Finding the Fourth Proportional to 90,427.92, 135,643.02 and 62,340.46

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Solution

The fourth proportional to 90,427.92, 135,643.02 and 62,340.46 is: 93,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.92 : 135,643.02 = 62,340.46 : x
  2. Step 2: Convert to fraction form
    90,427.92/135,643.02 = 62,340.46/x
  3. Step 3: Cross multiply
    90,427.92x = 135,643.02 × 62,340.46
  4. Step 4: Simplify right side
    90,427.92x = 8,456,047,584.37
  5. Step 5: Solve for x
    x = 8,456,047,584.37/90,427.92
  6. Step 6: Final answer
    x = 93,511.47

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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.