Home / 70,146.06-105,177.12-32,714.64

Finding the Fourth Proportional to 70,146.06, 105,177.12 and 32,714.64

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Solution

The fourth proportional to 70,146.06, 105,177.12 and 32,714.64 is: 49,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,146.06 : 105,177.12 = 32,714.64 : x
  2. Step 2: Convert to fraction form
    70,146.06/105,177.12 = 32,714.64/x
  3. Step 3: Cross multiply
    70,146.06x = 105,177.12 × 32,714.64
  4. Step 4: Simplify right side
    70,146.06x = 3,440,831,617.04
  5. Step 5: Solve for x
    x = 3,440,831,617.04/70,146.06
  6. Step 6: Final answer
    x = 49,052.39

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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.