Home / 56,723.36-85,087.92-19,287.68

Finding the Fourth Proportional to 56,723.36, 85,087.92 and 19,287.68

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Solution

The fourth proportional to 56,723.36, 85,087.92 and 19,287.68 is: 28,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.36 : 85,087.92 = 19,287.68 : x
  2. Step 2: Convert to fraction form
    56,723.36/85,087.92 = 19,287.68/x
  3. Step 3: Cross multiply
    56,723.36x = 85,087.92 × 19,287.68
  4. Step 4: Simplify right side
    56,723.36x = 1,641,148,572.83
  5. Step 5: Solve for x
    x = 1,641,148,572.83/56,723.36
  6. Step 6: Final answer
    x = 28,932.50

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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.