Home / 56,738.91-85,083.74-19,288.92

Finding the Fourth Proportional to 56,738.91, 85,083.74 and 19,288.92

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Solution

The fourth proportional to 56,738.91, 85,083.74 and 19,288.92 is: 28,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,738.91 : 85,083.74 = 19,288.92 : x
  2. Step 2: Convert to fraction form
    56,738.91/85,083.74 = 19,288.92/x
  3. Step 3: Cross multiply
    56,738.91x = 85,083.74 × 19,288.92
  4. Step 4: Simplify right side
    56,738.91x = 1,641,173,324.77
  5. Step 5: Solve for x
    x = 1,641,173,324.77/56,738.91
  6. Step 6: Final answer
    x = 28,925.01

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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.