Home / 74,215.23-111,320.11-32,105.91

Finding the Fourth Proportional to 74,215.23, 111,320.11 and 32,105.91

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Solution

The fourth proportional to 74,215.23, 111,320.11 and 32,105.91 is: 48,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.23 : 111,320.11 = 32,105.91 : x
  2. Step 2: Convert to fraction form
    74,215.23/111,320.11 = 32,105.91/x
  3. Step 3: Cross multiply
    74,215.23x = 111,320.11 × 32,105.91
  4. Step 4: Simplify right side
    74,215.23x = 3,574,033,272.32
  5. Step 5: Solve for x
    x = 3,574,033,272.32/74,215.23
  6. Step 6: Final answer
    x = 48,157.68

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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.