Home / 79,374.10-119,064.78-26,784.04

Finding the Fourth Proportional to 79,374.10, 119,064.78 and 26,784.04

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Solution

The fourth proportional to 79,374.10, 119,064.78 and 26,784.04 is: 40,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,374.10 : 119,064.78 = 26,784.04 : x
  2. Step 2: Convert to fraction form
    79,374.10/119,064.78 = 26,784.04/x
  3. Step 3: Cross multiply
    79,374.10x = 119,064.78 × 26,784.04
  4. Step 4: Simplify right side
    79,374.10x = 3,189,035,830.11
  5. Step 5: Solve for x
    x = 3,189,035,830.11/79,374.10
  6. Step 6: Final answer
    x = 40,177.28

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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.