Home / 115,610.86-173,407.16-36,725.78

Finding the Fourth Proportional to 115,610.86, 173,407.16 and 36,725.78

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Solution

The fourth proportional to 115,610.86, 173,407.16 and 36,725.78 is: 55,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,610.86 : 173,407.16 = 36,725.78 : x
  2. Step 2: Convert to fraction form
    115,610.86/173,407.16 = 36,725.78/x
  3. Step 3: Cross multiply
    115,610.86x = 173,407.16 × 36,725.78
  4. Step 4: Simplify right side
    115,610.86x = 6,368,513,208.58
  5. Step 5: Solve for x
    x = 6,368,513,208.58/115,610.86
  6. Step 6: Final answer
    x = 55,085.77

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1.5x scale

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.