Home / 85,560.52-128,323.50-23,231.56

Finding the Fourth Proportional to 85,560.52, 128,323.50 and 23,231.56

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Solution

The fourth proportional to 85,560.52, 128,323.50 and 23,231.56 is: 34,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,560.52 : 128,323.50 = 23,231.56 : x
  2. Step 2: Convert to fraction form
    85,560.52/128,323.50 = 23,231.56/x
  3. Step 3: Cross multiply
    85,560.52x = 128,323.50 × 23,231.56
  4. Step 4: Simplify right side
    85,560.52x = 2,981,155,089.66
  5. Step 5: Solve for x
    x = 2,981,155,089.66/85,560.52
  6. Step 6: Final answer
    x = 34,842.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.