Home / 107,461.40-161,115.30-48,248.60

Finding the Fourth Proportional to 107,461.40, 161,115.30 and 48,248.60

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Solution

The fourth proportional to 107,461.40, 161,115.30 and 48,248.60 is: 72,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,461.40 : 161,115.30 = 48,248.60 : x
  2. Step 2: Convert to fraction form
    107,461.40/161,115.30 = 48,248.60/x
  3. Step 3: Cross multiply
    107,461.40x = 161,115.30 × 48,248.60
  4. Step 4: Simplify right side
    107,461.40x = 7,773,587,663.58
  5. Step 5: Solve for x
    x = 7,773,587,663.58/107,461.40
  6. Step 6: Final answer
    x = 72,338.42

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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.