Home / 74,261.46-111,392.16-21,670.92

Finding the Fourth Proportional to 74,261.46, 111,392.16 and 21,670.92

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Solution

The fourth proportional to 74,261.46, 111,392.16 and 21,670.92 is: 32,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.46 : 111,392.16 = 21,670.92 : x
  2. Step 2: Convert to fraction form
    74,261.46/111,392.16 = 21,670.92/x
  3. Step 3: Cross multiply
    74,261.46x = 111,392.16 × 21,670.92
  4. Step 4: Simplify right side
    74,261.46x = 2,413,970,587.99
  5. Step 5: Solve for x
    x = 2,413,970,587.99/74,261.46
  6. Step 6: Final answer
    x = 32,506.37

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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.