Home / 79,636.16-119,314.11-74,895.23

Finding the Fourth Proportional to 79,636.16, 119,314.11 and 74,895.23

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Solution

The fourth proportional to 79,636.16, 119,314.11 and 74,895.23 is: 112,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,636.16 : 119,314.11 = 74,895.23 : x
  2. Step 2: Convert to fraction form
    79,636.16/119,314.11 = 74,895.23/x
  3. Step 3: Cross multiply
    79,636.16x = 119,314.11 × 74,895.23
  4. Step 4: Simplify right side
    79,636.16x = 8,936,057,710.70
  5. Step 5: Solve for x
    x = 8,936,057,710.70/79,636.16
  6. Step 6: Final answer
    x = 112,211.06

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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.