Home / 62,911.50-86,818.49-34,617.80

Finding the Fourth Proportional to 62,911.50, 86,818.49 and 34,617.80

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Solution

The fourth proportional to 62,911.50, 86,818.49 and 34,617.80 is: 47,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.50 : 86,818.49 = 34,617.80 : x
  2. Step 2: Convert to fraction form
    62,911.50/86,818.49 = 34,617.80/x
  3. Step 3: Cross multiply
    62,911.50x = 86,818.49 × 34,617.80
  4. Step 4: Simplify right side
    62,911.50x = 3,005,464,515.94
  5. Step 5: Solve for x
    x = 3,005,464,515.94/62,911.50
  6. Step 6: Final answer
    x = 47,772.90

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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.