Home / 92,712.11-139,074.03-35,813.15

Finding the Fourth Proportional to 92,712.11, 139,074.03 and 35,813.15

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Solution

The fourth proportional to 92,712.11, 139,074.03 and 35,813.15 is: 53,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,712.11 : 139,074.03 = 35,813.15 : x
  2. Step 2: Convert to fraction form
    92,712.11/139,074.03 = 35,813.15/x
  3. Step 3: Cross multiply
    92,712.11x = 139,074.03 × 35,813.15
  4. Step 4: Simplify right side
    92,712.11x = 4,980,679,097.49
  5. Step 5: Solve for x
    x = 4,980,679,097.49/92,712.11
  6. Step 6: Final answer
    x = 53,721.99

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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.