Home / 73,612.32-101,615.52-55,712.32

Finding the Fourth Proportional to 73,612.32, 101,615.52 and 55,712.32

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Solution

The fourth proportional to 73,612.32, 101,615.52 and 55,712.32 is: 76,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.32 : 101,615.52 = 55,712.32 : x
  2. Step 2: Convert to fraction form
    73,612.32/101,615.52 = 55,712.32/x
  3. Step 3: Cross multiply
    73,612.32x = 101,615.52 × 55,712.32
  4. Step 4: Simplify right side
    73,612.32x = 5,661,236,367.21
  5. Step 5: Solve for x
    x = 5,661,236,367.21/73,612.32
  6. Step 6: Final answer
    x = 76,906.10

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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.