Home / 79,365.13-109,526.54-43,557.12

Finding the Fourth Proportional to 79,365.13, 109,526.54 and 43,557.12

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Solution

The fourth proportional to 79,365.13, 109,526.54 and 43,557.12 is: 60,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.13 : 109,526.54 = 43,557.12 : x
  2. Step 2: Convert to fraction form
    79,365.13/109,526.54 = 43,557.12/x
  3. Step 3: Cross multiply
    79,365.13x = 109,526.54 × 43,557.12
  4. Step 4: Simplify right side
    79,365.13x = 4,770,660,645.96
  5. Step 5: Solve for x
    x = 4,770,660,645.96/79,365.13
  6. Step 6: Final answer
    x = 60,110.29

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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.