Home / 79,346.89-109,501.77-43,538.41

Finding the Fourth Proportional to 79,346.89, 109,501.77 and 43,538.41

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Solution

The fourth proportional to 79,346.89, 109,501.77 and 43,538.41 is: 60,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.89 : 109,501.77 = 43,538.41 : x
  2. Step 2: Convert to fraction form
    79,346.89/109,501.77 = 43,538.41/x
  3. Step 3: Cross multiply
    79,346.89x = 109,501.77 × 43,538.41
  4. Step 4: Simplify right side
    79,346.89x = 4,767,532,957.99
  5. Step 5: Solve for x
    x = 4,767,532,957.99/79,346.89
  6. Step 6: Final answer
    x = 60,084.69

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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.