Home / 73,769.12-101,798.32-40,235.12

Finding the Fourth Proportional to 73,769.12, 101,798.32 and 40,235.12

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Solution

The fourth proportional to 73,769.12, 101,798.32 and 40,235.12 is: 55,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,769.12 : 101,798.32 = 40,235.12 : x
  2. Step 2: Convert to fraction form
    73,769.12/101,798.32 = 40,235.12/x
  3. Step 3: Cross multiply
    73,769.12x = 101,798.32 × 40,235.12
  4. Step 4: Simplify right side
    73,769.12x = 4,095,867,621.00
  5. Step 5: Solve for x
    x = 4,095,867,621.00/73,769.12
  6. Step 6: Final answer
    x = 55,522.79

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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.