Home / 62,975.09-86,905.62-34,680.75

Finding the Fourth Proportional to 62,975.09, 86,905.62 and 34,680.75

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Solution

The fourth proportional to 62,975.09, 86,905.62 and 34,680.75 is: 47,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,975.09 : 86,905.62 = 34,680.75 : x
  2. Step 2: Convert to fraction form
    62,975.09/86,905.62 = 34,680.75/x
  3. Step 3: Cross multiply
    62,975.09x = 86,905.62 × 34,680.75
  4. Step 4: Simplify right side
    62,975.09x = 3,013,952,080.82
  5. Step 5: Solve for x
    x = 3,013,952,080.82/62,975.09
  6. Step 6: Final answer
    x = 47,859.44

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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.