Home / 69,615.19-96,068.88-39,399.94

Finding the Fourth Proportional to 69,615.19, 96,068.88 and 39,399.94

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Solution

The fourth proportional to 69,615.19, 96,068.88 and 39,399.94 is: 54,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615.19 : 96,068.88 = 39,399.94 : x
  2. Step 2: Convert to fraction form
    69,615.19/96,068.88 = 39,399.94/x
  3. Step 3: Cross multiply
    69,615.19x = 96,068.88 × 39,399.94
  4. Step 4: Simplify right side
    69,615.19x = 3,785,108,107.87
  5. Step 5: Solve for x
    x = 3,785,108,107.87/69,615.19
  6. Step 6: Final answer
    x = 54,371.87

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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.