Home / 79,435.46-119,167.85-26,130.38

Finding the Fourth Proportional to 79,435.46, 119,167.85 and 26,130.38

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Solution

The fourth proportional to 79,435.46, 119,167.85 and 26,130.38 is: 39,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,435.46 : 119,167.85 = 26,130.38 : x
  2. Step 2: Convert to fraction form
    79,435.46/119,167.85 = 26,130.38/x
  3. Step 3: Cross multiply
    79,435.46x = 119,167.85 × 26,130.38
  4. Step 4: Simplify right side
    79,435.46x = 3,113,900,673.77
  5. Step 5: Solve for x
    x = 3,113,900,673.77/79,435.46
  6. Step 6: Final answer
    x = 39,200.38

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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.