Home / 92,814.48-139,005-67,792.68

Finding the Fourth Proportional to 92,814.48, 139,005 and 67,792.68

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Solution

The fourth proportional to 92,814.48, 139,005 and 67,792.68 is: 101,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,814.48 : 139,005 = 67,792.68 : x
  2. Step 2: Convert to fraction form
    92,814.48/139,005 = 67,792.68/x
  3. Step 3: Cross multiply
    92,814.48x = 139,005 × 67,792.68
  4. Step 4: Simplify right side
    92,814.48x = 9,423,521,483.40
  5. Step 5: Solve for x
    x = 9,423,521,483.40/92,814.48
  6. Step 6: Final answer
    x = 101,530.73

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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.