Home / 104,659.62-156,987.56-29,780.36

Finding the Fourth Proportional to 104,659.62, 156,987.56 and 29,780.36

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Solution

The fourth proportional to 104,659.62, 156,987.56 and 29,780.36 is: 44,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,659.62 : 156,987.56 = 29,780.36 : x
  2. Step 2: Convert to fraction form
    104,659.62/156,987.56 = 29,780.36/x
  3. Step 3: Cross multiply
    104,659.62x = 156,987.56 × 29,780.36
  4. Step 4: Simplify right side
    104,659.62x = 4,675,146,052.32
  5. Step 5: Solve for x
    x = 4,675,146,052.32/104,659.62
  6. Step 6: Final answer
    x = 44,670.01

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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.