Home / 62,785.17-94,167.27-20,665.80

Finding the Fourth Proportional to 62,785.17, 94,167.27 and 20,665.80

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Solution

The fourth proportional to 62,785.17, 94,167.27 and 20,665.80 is: 30,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,785.17 : 94,167.27 = 20,665.80 : x
  2. Step 2: Convert to fraction form
    62,785.17/94,167.27 = 20,665.80/x
  3. Step 3: Cross multiply
    62,785.17x = 94,167.27 × 20,665.80
  4. Step 4: Simplify right side
    62,785.17x = 1,946,041,968.37
  5. Step 5: Solve for x
    x = 1,946,041,968.37/62,785.17
  6. Step 6: Final answer
    x = 30,995.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.