Home / 62,975.28-86,905.46-34,680.76

Finding the Fourth Proportional to 62,975.28, 86,905.46 and 34,680.76

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Solution

The fourth proportional to 62,975.28, 86,905.46 and 34,680.76 is: 47,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,975.28 : 86,905.46 = 34,680.76 : x
  2. Step 2: Convert to fraction form
    62,975.28/86,905.46 = 34,680.76/x
  3. Step 3: Cross multiply
    62,975.28x = 86,905.46 × 34,680.76
  4. Step 4: Simplify right side
    62,975.28x = 3,013,947,400.95
  5. Step 5: Solve for x
    x = 3,013,947,400.95/62,975.28
  6. Step 6: Final answer
    x = 47,859.21

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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.