Home / 62,827.14-86,700-34,146.12

Finding the Fourth Proportional to 62,827.14, 86,700 and 34,146.12

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Solution

The fourth proportional to 62,827.14, 86,700 and 34,146.12 is: 47,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,827.14 : 86,700 = 34,146.12 : x
  2. Step 2: Convert to fraction form
    62,827.14/86,700 = 34,146.12/x
  3. Step 3: Cross multiply
    62,827.14x = 86,700 × 34,146.12
  4. Step 4: Simplify right side
    62,827.14x = 2,960,468,604
  5. Step 5: Solve for x
    x = 2,960,468,604/62,827.14
  6. Step 6: Final answer
    x = 47,120.86

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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.