Home / 62,974.50-86,904.81-34,680.12

Finding the Fourth Proportional to 62,974.50, 86,904.81 and 34,680.12

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Solution

The fourth proportional to 62,974.50, 86,904.81 and 34,680.12 is: 47,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,974.50 : 86,904.81 = 34,680.12 : x
  2. Step 2: Convert to fraction form
    62,974.50/86,904.81 = 34,680.12/x
  3. Step 3: Cross multiply
    62,974.50x = 86,904.81 × 34,680.12
  4. Step 4: Simplify right side
    62,974.50x = 3,013,869,239.38
  5. Step 5: Solve for x
    x = 3,013,869,239.38/62,974.50
  6. Step 6: Final answer
    x = 47,858.57

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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.