Home / 82,423.24-123,328.50-49,161.40

Finding the Fourth Proportional to 82,423.24, 123,328.50 and 49,161.40

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Solution

The fourth proportional to 82,423.24, 123,328.50 and 49,161.40 is: 73,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,423.24 : 123,328.50 = 49,161.40 : x
  2. Step 2: Convert to fraction form
    82,423.24/123,328.50 = 49,161.40/x
  3. Step 3: Cross multiply
    82,423.24x = 123,328.50 × 49,161.40
  4. Step 4: Simplify right side
    82,423.24x = 6,063,001,719.90
  5. Step 5: Solve for x
    x = 6,063,001,719.90/82,423.24
  6. Step 6: Final answer
    x = 73,559.37

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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.