Home / 90,947.28-136,431.86-46,562.12

Finding the Fourth Proportional to 90,947.28, 136,431.86 and 46,562.12

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Solution

The fourth proportional to 90,947.28, 136,431.86 and 46,562.12 is: 69,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,947.28 : 136,431.86 = 46,562.12 : x
  2. Step 2: Convert to fraction form
    90,947.28/136,431.86 = 46,562.12/x
  3. Step 3: Cross multiply
    90,947.28x = 136,431.86 × 46,562.12
  4. Step 4: Simplify right side
    90,947.28x = 6,352,555,722.17
  5. Step 5: Solve for x
    x = 6,352,555,722.17/90,947.28
  6. Step 6: Final answer
    x = 69,848.77

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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.