Home / 55,659.52-76,765.35-48,930.76

Finding the Fourth Proportional to 55,659.52, 76,765.35 and 48,930.76

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Solution

The fourth proportional to 55,659.52, 76,765.35 and 48,930.76 is: 67,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,659.52 : 76,765.35 = 48,930.76 : x
  2. Step 2: Convert to fraction form
    55,659.52/76,765.35 = 48,930.76/x
  3. Step 3: Cross multiply
    55,659.52x = 76,765.35 × 48,930.76
  4. Step 4: Simplify right side
    55,659.52x = 3,756,186,917.17
  5. Step 5: Solve for x
    x = 3,756,186,917.17/55,659.52
  6. Step 6: Final answer
    x = 67,485.08

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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.