Home / 79,607.18-109,856.70-43,795.05

Finding the Fourth Proportional to 79,607.18, 109,856.70 and 43,795.05

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Solution

The fourth proportional to 79,607.18, 109,856.70 and 43,795.05 is: 60,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607.18 : 109,856.70 = 43,795.05 : x
  2. Step 2: Convert to fraction form
    79,607.18/109,856.70 = 43,795.05/x
  3. Step 3: Cross multiply
    79,607.18x = 109,856.70 × 43,795.05
  4. Step 4: Simplify right side
    79,607.18x = 4,811,179,669.34
  5. Step 5: Solve for x
    x = 4,811,179,669.34/79,607.18
  6. Step 6: Final answer
    x = 60,436.51

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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.