Home / 74,305.50-111,475.53-53,491.74

Finding the Fourth Proportional to 74,305.50, 111,475.53 and 53,491.74

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Solution

The fourth proportional to 74,305.50, 111,475.53 and 53,491.74 is: 80,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.50 : 111,475.53 = 53,491.74 : x
  2. Step 2: Convert to fraction form
    74,305.50/111,475.53 = 53,491.74/x
  3. Step 3: Cross multiply
    74,305.50x = 111,475.53 × 53,491.74
  4. Step 4: Simplify right side
    74,305.50x = 5,963,020,067.12
  5. Step 5: Solve for x
    x = 5,963,020,067.12/74,305.50
  6. Step 6: Final answer
    x = 80,250.05

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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.