Home / 107,093.24-147,719.40-84,397.04

Finding the Fourth Proportional to 107,093.24, 147,719.40 and 84,397.04

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Solution

The fourth proportional to 107,093.24, 147,719.40 and 84,397.04 is: 116,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,093.24 : 147,719.40 = 84,397.04 : x
  2. Step 2: Convert to fraction form
    107,093.24/147,719.40 = 84,397.04/x
  3. Step 3: Cross multiply
    107,093.24x = 147,719.40 × 84,397.04
  4. Step 4: Simplify right side
    107,093.24x = 12,467,080,110.58
  5. Step 5: Solve for x
    x = 12,467,080,110.58/107,093.24
  6. Step 6: Final answer
    x = 116,413.32

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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.