Home / 90,432.52-124,798.36-50,147.96

Finding the Fourth Proportional to 90,432.52, 124,798.36 and 50,147.96

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Solution

The fourth proportional to 90,432.52, 124,798.36 and 50,147.96 is: 69,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.52 : 124,798.36 = 50,147.96 : x
  2. Step 2: Convert to fraction form
    90,432.52/124,798.36 = 50,147.96/x
  3. Step 3: Cross multiply
    90,432.52x = 124,798.36 × 50,147.96
  4. Step 4: Simplify right side
    90,432.52x = 6,258,383,165.35
  5. Step 5: Solve for x
    x = 6,258,383,165.35/90,432.52
  6. Step 6: Final answer
    x = 69,205.01

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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.