Home / 105,913.13-146,173.08-61,201.13

Finding the Fourth Proportional to 105,913.13, 146,173.08 and 61,201.13

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Solution

The fourth proportional to 105,913.13, 146,173.08 and 61,201.13 is: 84,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,913.13 : 146,173.08 = 61,201.13 : x
  2. Step 2: Convert to fraction form
    105,913.13/146,173.08 = 61,201.13/x
  3. Step 3: Cross multiply
    105,913.13x = 146,173.08 × 61,201.13
  4. Step 4: Simplify right side
    105,913.13x = 8,945,957,671.58
  5. Step 5: Solve for x
    x = 8,945,957,671.58/105,913.13
  6. Step 6: Final answer
    x = 84,465.05

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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.