Home / 121,091.49-181,615.77-36,831.24

Finding the Fourth Proportional to 121,091.49, 181,615.77 and 36,831.24

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Solution

The fourth proportional to 121,091.49, 181,615.77 and 36,831.24 is: 55,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,091.49 : 181,615.77 = 36,831.24 : x
  2. Step 2: Convert to fraction form
    121,091.49/181,615.77 = 36,831.24/x
  3. Step 3: Cross multiply
    121,091.49x = 181,615.77 × 36,831.24
  4. Step 4: Simplify right side
    121,091.49x = 6,689,134,012.65
  5. Step 5: Solve for x
    x = 6,689,134,012.65/121,091.49
  6. Step 6: Final answer
    x = 55,240.33

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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.