Home / 69,976.51-96,563.95-39,757.64

Finding the Fourth Proportional to 69,976.51, 96,563.95 and 39,757.64

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Solution

The fourth proportional to 69,976.51, 96,563.95 and 39,757.64 is: 54,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976.51 : 96,563.95 = 39,757.64 : x
  2. Step 2: Convert to fraction form
    69,976.51/96,563.95 = 39,757.64/x
  3. Step 3: Cross multiply
    69,976.51x = 96,563.95 × 39,757.64
  4. Step 4: Simplify right side
    69,976.51x = 3,839,154,178.86
  5. Step 5: Solve for x
    x = 3,839,154,178.86/69,976.51
  6. Step 6: Final answer
    x = 54,863.47

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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.