Home / 53,351.06-79,983.59-36,661.55

Finding the Fourth Proportional to 53,351.06, 79,983.59 and 36,661.55

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Solution

The fourth proportional to 53,351.06, 79,983.59 and 36,661.55 is: 54,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,351.06 : 79,983.59 = 36,661.55 : x
  2. Step 2: Convert to fraction form
    53,351.06/79,983.59 = 36,661.55/x
  3. Step 3: Cross multiply
    53,351.06x = 79,983.59 × 36,661.55
  4. Step 4: Simplify right side
    53,351.06x = 2,932,321,800.74
  5. Step 5: Solve for x
    x = 2,932,321,800.74/53,351.06
  6. Step 6: Final answer
    x = 54,962.77

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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.