Home / 69,887.40-96,453.55-39,682.70

Finding the Fourth Proportional to 69,887.40, 96,453.55 and 39,682.70

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Solution

The fourth proportional to 69,887.40, 96,453.55 and 39,682.70 is: 54,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887.40 : 96,453.55 = 39,682.70 : x
  2. Step 2: Convert to fraction form
    69,887.40/96,453.55 = 39,682.70/x
  3. Step 3: Cross multiply
    69,887.40x = 96,453.55 × 39,682.70
  4. Step 4: Simplify right side
    69,887.40x = 3,827,537,288.59
  5. Step 5: Solve for x
    x = 3,827,537,288.59/69,887.40
  6. Step 6: Final answer
    x = 54,767.20

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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.