Home / 90,654.44-125,111.58-54,853.28

Finding the Fourth Proportional to 90,654.44, 125,111.58 and 54,853.28

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Solution

The fourth proportional to 90,654.44, 125,111.58 and 54,853.28 is: 75,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,654.44 : 125,111.58 = 54,853.28 : x
  2. Step 2: Convert to fraction form
    90,654.44/125,111.58 = 54,853.28/x
  3. Step 3: Cross multiply
    90,654.44x = 125,111.58 × 54,853.28
  4. Step 4: Simplify right side
    90,654.44x = 6,862,780,528.98
  5. Step 5: Solve for x
    x = 6,862,780,528.98/90,654.44
  6. Step 6: Final answer
    x = 75,702.64

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1.5x scale

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.