Home / 120,750.48-166,655.52-70,449.36

Finding the Fourth Proportional to 120,750.48, 166,655.52 and 70,449.36

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Solution

The fourth proportional to 120,750.48, 166,655.52 and 70,449.36 is: 97,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,750.48 : 166,655.52 = 70,449.36 : x
  2. Step 2: Convert to fraction form
    120,750.48/166,655.52 = 70,449.36/x
  3. Step 3: Cross multiply
    120,750.48x = 166,655.52 × 70,449.36
  4. Step 4: Simplify right side
    120,750.48x = 11,740,774,724.47
  5. Step 5: Solve for x
    x = 11,740,774,724.47/120,750.48
  6. Step 6: Final answer
    x = 97,231.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.