Home / 49,076.28-73,613.61-12,140.28

Finding the Fourth Proportional to 49,076.28, 73,613.61 and 12,140.28

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Solution

The fourth proportional to 49,076.28, 73,613.61 and 12,140.28 is: 18,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,076.28 : 73,613.61 = 12,140.28 : x
  2. Step 2: Convert to fraction form
    49,076.28/73,613.61 = 12,140.28/x
  3. Step 3: Cross multiply
    49,076.28x = 73,613.61 × 12,140.28
  4. Step 4: Simplify right side
    49,076.28x = 893,689,837.21
  5. Step 5: Solve for x
    x = 893,689,837.21/49,076.28
  6. Step 6: Final answer
    x = 18,210.22

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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.