Home / 79,501.30-119,256.03-20,337.48

Finding the Fourth Proportional to 79,501.30, 119,256.03 and 20,337.48

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Solution

The fourth proportional to 79,501.30, 119,256.03 and 20,337.48 is: 30,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,501.30 : 119,256.03 = 20,337.48 : x
  2. Step 2: Convert to fraction form
    79,501.30/119,256.03 = 20,337.48/x
  3. Step 3: Cross multiply
    79,501.30x = 119,256.03 × 20,337.48
  4. Step 4: Simplify right side
    79,501.30x = 2,425,367,125.00
  5. Step 5: Solve for x
    x = 2,425,367,125.00/79,501.30
  6. Step 6: Final answer
    x = 30,507.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.