Home / 55,131.63-76,070.07-36,039.51

Finding the Fourth Proportional to 55,131.63, 76,070.07 and 36,039.51

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Solution

The fourth proportional to 55,131.63, 76,070.07 and 36,039.51 is: 49,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,131.63 : 76,070.07 = 36,039.51 : x
  2. Step 2: Convert to fraction form
    55,131.63/76,070.07 = 36,039.51/x
  3. Step 3: Cross multiply
    55,131.63x = 76,070.07 × 36,039.51
  4. Step 4: Simplify right side
    55,131.63x = 2,741,528,048.47
  5. Step 5: Solve for x
    x = 2,741,528,048.47/55,131.63
  6. Step 6: Final answer
    x = 49,726.95

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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.