Home / 77,228.70-106,589.46-45,399.24

Finding the Fourth Proportional to 77,228.70, 106,589.46 and 45,399.24

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Solution

The fourth proportional to 77,228.70, 106,589.46 and 45,399.24 is: 62,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,228.70 : 106,589.46 = 45,399.24 : x
  2. Step 2: Convert to fraction form
    77,228.70/106,589.46 = 45,399.24/x
  3. Step 3: Cross multiply
    77,228.70x = 106,589.46 × 45,399.24
  4. Step 4: Simplify right side
    77,228.70x = 4,839,080,476.01
  5. Step 5: Solve for x
    x = 4,839,080,476.01/77,228.70
  6. Step 6: Final answer
    x = 62,659.10

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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.