Home / 69,667.14-96,146.64-39,457.79

Finding the Fourth Proportional to 69,667.14, 96,146.64 and 39,457.79

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Solution

The fourth proportional to 69,667.14, 96,146.64 and 39,457.79 is: 54,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,667.14 : 96,146.64 = 39,457.79 : x
  2. Step 2: Convert to fraction form
    69,667.14/96,146.64 = 39,457.79/x
  3. Step 3: Cross multiply
    69,667.14x = 96,146.64 × 39,457.79
  4. Step 4: Simplify right side
    69,667.14x = 3,793,733,449.59
  5. Step 5: Solve for x
    x = 3,793,733,449.59/69,667.14
  6. Step 6: Final answer
    x = 54,455.13

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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.