Home / 79,930.28-119,869.46-26,607.93

Finding the Fourth Proportional to 79,930.28, 119,869.46 and 26,607.93

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Solution

The fourth proportional to 79,930.28, 119,869.46 and 26,607.93 is: 39,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930.28 : 119,869.46 = 26,607.93 : x
  2. Step 2: Convert to fraction form
    79,930.28/119,869.46 = 26,607.93/x
  3. Step 3: Cross multiply
    79,930.28x = 119,869.46 × 26,607.93
  4. Step 4: Simplify right side
    79,930.28x = 3,189,478,666.96
  5. Step 5: Solve for x
    x = 3,189,478,666.96/79,930.28
  6. Step 6: Final answer
    x = 39,903.26

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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.