Home / 109,740.51-151,454.19-61,996.93

Finding the Fourth Proportional to 109,740.51, 151,454.19 and 61,996.93

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Solution

The fourth proportional to 109,740.51, 151,454.19 and 61,996.93 is: 85,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,740.51 : 151,454.19 = 61,996.93 : x
  2. Step 2: Convert to fraction form
    109,740.51/151,454.19 = 61,996.93/x
  3. Step 3: Cross multiply
    109,740.51x = 151,454.19 × 61,996.93
  4. Step 4: Simplify right side
    109,740.51x = 9,389,694,815.64
  5. Step 5: Solve for x
    x = 9,389,694,815.64/109,740.51
  6. Step 6: Final answer
    x = 85,562.70

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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.