Home / 55,451.34-76,522.35-31,260.06

Finding the Fourth Proportional to 55,451.34, 76,522.35 and 31,260.06

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Solution

The fourth proportional to 55,451.34, 76,522.35 and 31,260.06 is: 43,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.34 : 76,522.35 = 31,260.06 : x
  2. Step 2: Convert to fraction form
    55,451.34/76,522.35 = 31,260.06/x
  3. Step 3: Cross multiply
    55,451.34x = 76,522.35 × 31,260.06
  4. Step 4: Simplify right side
    55,451.34x = 2,392,093,252.34
  5. Step 5: Solve for x
    x = 2,392,093,252.34/55,451.34
  6. Step 6: Final answer
    x = 43,138.60

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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.