Home / 73,979.04-102,092.64-40,444.32

Finding the Fourth Proportional to 73,979.04, 102,092.64 and 40,444.32

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Solution

The fourth proportional to 73,979.04, 102,092.64 and 40,444.32 is: 55,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,979.04 : 102,092.64 = 40,444.32 : x
  2. Step 2: Convert to fraction form
    73,979.04/102,092.64 = 40,444.32/x
  3. Step 3: Cross multiply
    73,979.04x = 102,092.64 × 40,444.32
  4. Step 4: Simplify right side
    73,979.04x = 4,129,067,401.80
  5. Step 5: Solve for x
    x = 4,129,067,401.80/73,979.04
  6. Step 6: Final answer
    x = 55,814.02

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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.