Home / 68,186.96-94,097.98-39,898.13

Finding the Fourth Proportional to 68,186.96, 94,097.98 and 39,898.13

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Solution

The fourth proportional to 68,186.96, 94,097.98 and 39,898.13 is: 55,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,186.96 : 94,097.98 = 39,898.13 : x
  2. Step 2: Convert to fraction form
    68,186.96/94,097.98 = 39,898.13/x
  3. Step 3: Cross multiply
    68,186.96x = 94,097.98 × 39,898.13
  4. Step 4: Simplify right side
    68,186.96x = 3,754,333,438.78
  5. Step 5: Solve for x
    x = 3,754,333,438.78/68,186.96
  6. Step 6: Final answer
    x = 55,059.40

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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.