Home / 73,864.20-110,796.30-21,275.40

Finding the Fourth Proportional to 73,864.20, 110,796.30 and 21,275.40

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Solution

The fourth proportional to 73,864.20, 110,796.30 and 21,275.40 is: 31,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.20 : 110,796.30 = 21,275.40 : x
  2. Step 2: Convert to fraction form
    73,864.20/110,796.30 = 21,275.40/x
  3. Step 3: Cross multiply
    73,864.20x = 110,796.30 × 21,275.40
  4. Step 4: Simplify right side
    73,864.20x = 2,357,235,601.02
  5. Step 5: Solve for x
    x = 2,357,235,601.02/73,864.20
  6. Step 6: Final answer
    x = 31,913.10

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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.