Home / 79,529.09-109,750.37-45,538.11

Finding the Fourth Proportional to 79,529.09, 109,750.37 and 45,538.11

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Solution

The fourth proportional to 79,529.09, 109,750.37 and 45,538.11 is: 62,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.09 : 109,750.37 = 45,538.11 : x
  2. Step 2: Convert to fraction form
    79,529.09/109,750.37 = 45,538.11/x
  3. Step 3: Cross multiply
    79,529.09x = 109,750.37 × 45,538.11
  4. Step 4: Simplify right side
    79,529.09x = 4,997,824,193.91
  5. Step 5: Solve for x
    x = 4,997,824,193.91/79,529.09
  6. Step 6: Final answer
    x = 62,842.72

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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.