Home / 71,145.03-98,176.96-39,313.25

Finding the Fourth Proportional to 71,145.03, 98,176.96 and 39,313.25

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Solution

The fourth proportional to 71,145.03, 98,176.96 and 39,313.25 is: 54,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,145.03 : 98,176.96 = 39,313.25 : x
  2. Step 2: Convert to fraction form
    71,145.03/98,176.96 = 39,313.25/x
  3. Step 3: Cross multiply
    71,145.03x = 98,176.96 × 39,313.25
  4. Step 4: Simplify right side
    71,145.03x = 3,859,655,299.14
  5. Step 5: Solve for x
    x = 3,859,655,299.14/71,145.03
  6. Step 6: Final answer
    x = 54,250.52

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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.