Home / 62,195.96-85,630.56-55,357.40

Finding the Fourth Proportional to 62,195.96, 85,630.56 and 55,357.40

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Solution

The fourth proportional to 62,195.96, 85,630.56 and 55,357.40 is: 76,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,195.96 : 85,630.56 = 55,357.40 : x
  2. Step 2: Convert to fraction form
    62,195.96/85,630.56 = 55,357.40/x
  3. Step 3: Cross multiply
    62,195.96x = 85,630.56 × 55,357.40
  4. Step 4: Simplify right side
    62,195.96x = 4,740,285,162.14
  5. Step 5: Solve for x
    x = 4,740,285,162.14/62,195.96
  6. Step 6: Final answer
    x = 76,215.32

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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.