Home / 82,952.04-124,428.50-20,622.54

Finding the Fourth Proportional to 82,952.04, 124,428.50 and 20,622.54

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Solution

The fourth proportional to 82,952.04, 124,428.50 and 20,622.54 is: 30,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952.04 : 124,428.50 = 20,622.54 : x
  2. Step 2: Convert to fraction form
    82,952.04/124,428.50 = 20,622.54/x
  3. Step 3: Cross multiply
    82,952.04x = 124,428.50 × 20,622.54
  4. Step 4: Simplify right side
    82,952.04x = 2,566,031,718.39
  5. Step 5: Solve for x
    x = 2,566,031,718.39/82,952.04
  6. Step 6: Final answer
    x = 30,933.92

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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.