Home / 62,816.45-86,685.63-34,136.57

Finding the Fourth Proportional to 62,816.45, 86,685.63 and 34,136.57

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Solution

The fourth proportional to 62,816.45, 86,685.63 and 34,136.57 is: 47,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,816.45 : 86,685.63 = 34,136.57 : x
  2. Step 2: Convert to fraction form
    62,816.45/86,685.63 = 34,136.57/x
  3. Step 3: Cross multiply
    62,816.45x = 86,685.63 × 34,136.57
  4. Step 4: Simplify right side
    62,816.45x = 2,959,150,165.19
  5. Step 5: Solve for x
    x = 2,959,150,165.19/62,816.45
  6. Step 6: Final answer
    x = 47,107.89

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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.