Home / 53,964.20-80,816.70-51,631.40

Finding the Fourth Proportional to 53,964.20, 80,816.70 and 51,631.40

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Solution

The fourth proportional to 53,964.20, 80,816.70 and 51,631.40 is: 77,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.20 : 80,816.70 = 51,631.40 : x
  2. Step 2: Convert to fraction form
    53,964.20/80,816.70 = 51,631.40/x
  3. Step 3: Cross multiply
    53,964.20x = 80,816.70 × 51,631.40
  4. Step 4: Simplify right side
    53,964.20x = 4,172,679,364.38
  5. Step 5: Solve for x
    x = 4,172,679,364.38/53,964.20
  6. Step 6: Final answer
    x = 77,323.10

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1.5x scale

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.