Home / 69,069.10-103,210.46-51,859.79

Finding the Fourth Proportional to 69,069.10, 103,210.46 and 51,859.79

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Solution

The fourth proportional to 69,069.10, 103,210.46 and 51,859.79 is: 77,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.10 : 103,210.46 = 51,859.79 : x
  2. Step 2: Convert to fraction form
    69,069.10/103,210.46 = 51,859.79/x
  3. Step 3: Cross multiply
    69,069.10x = 103,210.46 × 51,859.79
  4. Step 4: Simplify right side
    69,069.10x = 5,352,472,395.00
  5. Step 5: Solve for x
    x = 5,352,472,395.00/69,069.10
  6. Step 6: Final answer
    x = 77,494.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.