Home / 67,749.12-93,506.87-39,087.29

Finding the Fourth Proportional to 67,749.12, 93,506.87 and 39,087.29

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Solution

The fourth proportional to 67,749.12, 93,506.87 and 39,087.29 is: 53,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,749.12 : 93,506.87 = 39,087.29 : x
  2. Step 2: Convert to fraction form
    67,749.12/93,506.87 = 39,087.29/x
  3. Step 3: Cross multiply
    67,749.12x = 93,506.87 × 39,087.29
  4. Step 4: Simplify right side
    67,749.12x = 3,654,929,949.25
  5. Step 5: Solve for x
    x = 3,654,929,949.25/67,749.12
  6. Step 6: Final answer
    x = 53,948.01

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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.