Home / 73,727.20-110,590.80-40,434.40

Finding the Fourth Proportional to 73,727.20, 110,590.80 and 40,434.40

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Solution

The fourth proportional to 73,727.20, 110,590.80 and 40,434.40 is: 60,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,727.20 : 110,590.80 = 40,434.40 : x
  2. Step 2: Convert to fraction form
    73,727.20/110,590.80 = 40,434.40/x
  3. Step 3: Cross multiply
    73,727.20x = 110,590.80 × 40,434.40
  4. Step 4: Simplify right side
    73,727.20x = 4,471,672,643.52
  5. Step 5: Solve for x
    x = 4,471,672,643.52/73,727.20
  6. Step 6: Final answer
    x = 60,651.60

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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.