Home / 69,415.20-95,767.20-45,555.12

Finding the Fourth Proportional to 69,415.20, 95,767.20 and 45,555.12

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Solution

The fourth proportional to 69,415.20, 95,767.20 and 45,555.12 is: 62,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,415.20 : 95,767.20 = 45,555.12 : x
  2. Step 2: Convert to fraction form
    69,415.20/95,767.20 = 45,555.12/x
  3. Step 3: Cross multiply
    69,415.20x = 95,767.20 × 45,555.12
  4. Step 4: Simplify right side
    69,415.20x = 4,362,686,288.06
  5. Step 5: Solve for x
    x = 4,362,686,288.06/69,415.20
  6. Step 6: Final answer
    x = 62,849.15

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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.