Home / 67,355.08-92,938.98-40,491.16

Finding the Fourth Proportional to 67,355.08, 92,938.98 and 40,491.16

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Solution

The fourth proportional to 67,355.08, 92,938.98 and 40,491.16 is: 55,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,355.08 : 92,938.98 = 40,491.16 : x
  2. Step 2: Convert to fraction form
    67,355.08/92,938.98 = 40,491.16/x
  3. Step 3: Cross multiply
    67,355.08x = 92,938.98 × 40,491.16
  4. Step 4: Simplify right side
    67,355.08x = 3,763,207,109.42
  5. Step 5: Solve for x
    x = 3,763,207,109.42/67,355.08
  6. Step 6: Final answer
    x = 55,871.17

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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.