Home / 73,865.32-101,933.56-40,331.32

Finding the Fourth Proportional to 73,865.32, 101,933.56 and 40,331.32

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Solution

The fourth proportional to 73,865.32, 101,933.56 and 40,331.32 is: 55,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.32 : 101,933.56 = 40,331.32 : x
  2. Step 2: Convert to fraction form
    73,865.32/101,933.56 = 40,331.32/x
  3. Step 3: Cross multiply
    73,865.32x = 101,933.56 × 40,331.32
  4. Step 4: Simplify right side
    73,865.32x = 4,111,115,027.10
  5. Step 5: Solve for x
    x = 4,111,115,027.10/73,865.32
  6. Step 6: Final answer
    x = 55,656.90

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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.