Home / 121,820.22-182,799.45-48,000.06

Finding the Fourth Proportional to 121,820.22, 182,799.45 and 48,000.06

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Solution

The fourth proportional to 121,820.22, 182,799.45 and 48,000.06 is: 72,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,820.22 : 182,799.45 = 48,000.06 : x
  2. Step 2: Convert to fraction form
    121,820.22/182,799.45 = 48,000.06/x
  3. Step 3: Cross multiply
    121,820.22x = 182,799.45 × 48,000.06
  4. Step 4: Simplify right side
    121,820.22x = 8,774,384,567.97
  5. Step 5: Solve for x
    x = 8,774,384,567.97/121,820.22
  6. Step 6: Final answer
    x = 72,027.32

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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.