Home / 55,464.56-76,534.60-31,260.88

Finding the Fourth Proportional to 55,464.56, 76,534.60 and 31,260.88

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Solution

The fourth proportional to 55,464.56, 76,534.60 and 31,260.88 is: 43,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,464.56 : 76,534.60 = 31,260.88 : x
  2. Step 2: Convert to fraction form
    55,464.56/76,534.60 = 31,260.88/x
  3. Step 3: Cross multiply
    55,464.56x = 76,534.60 × 31,260.88
  4. Step 4: Simplify right side
    55,464.56x = 2,392,538,946.45
  5. Step 5: Solve for x
    x = 2,392,538,946.45/55,464.56
  6. Step 6: Final answer
    x = 43,136.35

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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.