Home / 74,153.52-111,152.91-36,690.21

Finding the Fourth Proportional to 74,153.52, 111,152.91 and 36,690.21

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Solution

The fourth proportional to 74,153.52, 111,152.91 and 36,690.21 is: 54,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153.52 : 111,152.91 = 36,690.21 : x
  2. Step 2: Convert to fraction form
    74,153.52/111,152.91 = 36,690.21/x
  3. Step 3: Cross multiply
    74,153.52x = 111,152.91 × 36,690.21
  4. Step 4: Simplify right side
    74,153.52x = 4,078,223,610.01
  5. Step 5: Solve for x
    x = 4,078,223,610.01/74,153.52
  6. Step 6: Final answer
    x = 54,997.03

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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.