Home / 92,965.14-139,294.46-53,555.40

Finding the Fourth Proportional to 92,965.14, 139,294.46 and 53,555.40

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Solution

The fourth proportional to 92,965.14, 139,294.46 and 53,555.40 is: 80,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,965.14 : 139,294.46 = 53,555.40 : x
  2. Step 2: Convert to fraction form
    92,965.14/139,294.46 = 53,555.40/x
  3. Step 3: Cross multiply
    92,965.14x = 139,294.46 × 53,555.40
  4. Step 4: Simplify right side
    92,965.14x = 7,459,970,523.08
  5. Step 5: Solve for x
    x = 7,459,970,523.08/92,965.14
  6. Step 6: Final answer
    x = 80,244.82

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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.