Home / 76,822.13-106,014.99-42,832.76

Finding the Fourth Proportional to 76,822.13, 106,014.99 and 42,832.76

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Solution

The fourth proportional to 76,822.13, 106,014.99 and 42,832.76 is: 59,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822.13 : 106,014.99 = 42,832.76 : x
  2. Step 2: Convert to fraction form
    76,822.13/106,014.99 = 42,832.76/x
  3. Step 3: Cross multiply
    76,822.13x = 106,014.99 × 42,832.76
  4. Step 4: Simplify right side
    76,822.13x = 4,540,914,093.00
  5. Step 5: Solve for x
    x = 4,540,914,093.00/76,822.13
  6. Step 6: Final answer
    x = 59,109.46

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1.5x scale

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.