Home / 107,015.09-147,680.76-59,268.39

Finding the Fourth Proportional to 107,015.09, 147,680.76 and 59,268.39

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Solution

The fourth proportional to 107,015.09, 147,680.76 and 59,268.39 is: 81,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,015.09 : 147,680.76 = 59,268.39 : x
  2. Step 2: Convert to fraction form
    107,015.09/147,680.76 = 59,268.39/x
  3. Step 3: Cross multiply
    107,015.09x = 147,680.76 × 59,268.39
  4. Step 4: Simplify right side
    107,015.09x = 8,752,800,879.18
  5. Step 5: Solve for x
    x = 8,752,800,879.18/107,015.09
  6. Step 6: Final answer
    x = 81,790.34

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1.5x scale

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.