Home / 49,161.25-73,742.15-12,225.25

Finding the Fourth Proportional to 49,161.25, 73,742.15 and 12,225.25

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Solution

The fourth proportional to 49,161.25, 73,742.15 and 12,225.25 is: 18,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,161.25 : 73,742.15 = 12,225.25 : x
  2. Step 2: Convert to fraction form
    49,161.25/73,742.15 = 12,225.25/x
  3. Step 3: Cross multiply
    49,161.25x = 73,742.15 × 12,225.25
  4. Step 4: Simplify right side
    49,161.25x = 901,516,219.29
  5. Step 5: Solve for x
    x = 901,516,219.29/49,161.25
  6. Step 6: Final answer
    x = 18,337.94

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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.