Home / 69,218.64-103,661.46-46,964.70

Finding the Fourth Proportional to 69,218.64, 103,661.46 and 46,964.70

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Solution

The fourth proportional to 69,218.64, 103,661.46 and 46,964.70 is: 70,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.64 : 103,661.46 = 46,964.70 : x
  2. Step 2: Convert to fraction form
    69,218.64/103,661.46 = 46,964.70/x
  3. Step 3: Cross multiply
    69,218.64x = 103,661.46 × 46,964.70
  4. Step 4: Simplify right side
    69,218.64x = 4,868,429,370.46
  5. Step 5: Solve for x
    x = 4,868,429,370.46/69,218.64
  6. Step 6: Final answer
    x = 70,334.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.