Home / 92,629.10-139,129.65-55,262.08

Finding the Fourth Proportional to 92,629.10, 139,129.65 and 55,262.08

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Solution

The fourth proportional to 92,629.10, 139,129.65 and 55,262.08 is: 83,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,629.10 : 139,129.65 = 55,262.08 : x
  2. Step 2: Convert to fraction form
    92,629.10/139,129.65 = 55,262.08/x
  3. Step 3: Cross multiply
    92,629.10x = 139,129.65 × 55,262.08
  4. Step 4: Simplify right side
    92,629.10x = 7,688,594,022.58
  5. Step 5: Solve for x
    x = 7,688,594,022.58/92,629.10
  6. Step 6: Final answer
    x = 83,004.09

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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.