Home / 107,848.20-161,772.30-70,523.40

Finding the Fourth Proportional to 107,848.20, 161,772.30 and 70,523.40

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Solution

The fourth proportional to 107,848.20, 161,772.30 and 70,523.40 is: 105,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,848.20 : 161,772.30 = 70,523.40 : x
  2. Step 2: Convert to fraction form
    107,848.20/161,772.30 = 70,523.40/x
  3. Step 3: Cross multiply
    107,848.20x = 161,772.30 × 70,523.40
  4. Step 4: Simplify right side
    107,848.20x = 11,408,732,621.82
  5. Step 5: Solve for x
    x = 11,408,732,621.82/107,848.20
  6. Step 6: Final answer
    x = 105,785.10

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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.