Home / 67,143.81-92,656.57-36,929.11

Finding the Fourth Proportional to 67,143.81, 92,656.57 and 36,929.11

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Solution

The fourth proportional to 67,143.81, 92,656.57 and 36,929.11 is: 50,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143.81 : 92,656.57 = 36,929.11 : x
  2. Step 2: Convert to fraction form
    67,143.81/92,656.57 = 36,929.11/x
  3. Step 3: Cross multiply
    67,143.81x = 92,656.57 × 36,929.11
  4. Step 4: Simplify right side
    67,143.81x = 3,421,724,665.75
  5. Step 5: Solve for x
    x = 3,421,724,665.75/67,143.81
  6. Step 6: Final answer
    x = 50,961.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.