Home / 74,165.10-111,320.55-36,767.40

Finding the Fourth Proportional to 74,165.10, 111,320.55 and 36,767.40

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Solution

The fourth proportional to 74,165.10, 111,320.55 and 36,767.40 is: 55,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,165.10 : 111,320.55 = 36,767.40 : x
  2. Step 2: Convert to fraction form
    74,165.10/111,320.55 = 36,767.40/x
  3. Step 3: Cross multiply
    74,165.10x = 111,320.55 × 36,767.40
  4. Step 4: Simplify right side
    74,165.10x = 4,092,967,190.07
  5. Step 5: Solve for x
    x = 4,092,967,190.07/74,165.10
  6. Step 6: Final answer
    x = 55,187.24

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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.