Home / 71,118.03-98,144.16-39,285.03

Finding the Fourth Proportional to 71,118.03, 98,144.16 and 39,285.03

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Solution

The fourth proportional to 71,118.03, 98,144.16 and 39,285.03 is: 54,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118.03 : 98,144.16 = 39,285.03 : x
  2. Step 2: Convert to fraction form
    71,118.03/98,144.16 = 39,285.03/x
  3. Step 3: Cross multiply
    71,118.03x = 98,144.16 × 39,285.03
  4. Step 4: Simplify right side
    71,118.03x = 3,855,596,269.92
  5. Step 5: Solve for x
    x = 3,855,596,269.92/71,118.03
  6. Step 6: Final answer
    x = 54,214.05

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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.