Home / 55,081.24-76,012.59-29,930.74

Finding the Fourth Proportional to 55,081.24, 76,012.59 and 29,930.74

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Solution

The fourth proportional to 55,081.24, 76,012.59 and 29,930.74 is: 41,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,081.24 : 76,012.59 = 29,930.74 : x
  2. Step 2: Convert to fraction form
    55,081.24/76,012.59 = 29,930.74/x
  3. Step 3: Cross multiply
    55,081.24x = 76,012.59 × 29,930.74
  4. Step 4: Simplify right side
    55,081.24x = 2,275,113,068.02
  5. Step 5: Solve for x
    x = 2,275,113,068.02/55,081.24
  6. Step 6: Final answer
    x = 41,304.68

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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.