Home / 49,218.90-73,828.35-45,914.10

Finding the Fourth Proportional to 49,218.90, 73,828.35 and 45,914.10

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Solution

The fourth proportional to 49,218.90, 73,828.35 and 45,914.10 is: 68,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,218.90 : 73,828.35 = 45,914.10 : x
  2. Step 2: Convert to fraction form
    49,218.90/73,828.35 = 45,914.10/x
  3. Step 3: Cross multiply
    49,218.90x = 73,828.35 × 45,914.10
  4. Step 4: Simplify right side
    49,218.90x = 3,389,762,244.74
  5. Step 5: Solve for x
    x = 3,389,762,244.74/49,218.90
  6. Step 6: Final answer
    x = 68,871.15

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Similar ratio
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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.