Home / 56,570.95-84,867.31-19,137.04

Finding the Fourth Proportional to 56,570.95, 84,867.31 and 19,137.04

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Solution

The fourth proportional to 56,570.95, 84,867.31 and 19,137.04 is: 28,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,570.95 : 84,867.31 = 19,137.04 : x
  2. Step 2: Convert to fraction form
    56,570.95/84,867.31 = 19,137.04/x
  3. Step 3: Cross multiply
    56,570.95x = 84,867.31 × 19,137.04
  4. Step 4: Simplify right side
    56,570.95x = 1,624,108,917.92
  5. Step 5: Solve for x
    x = 1,624,108,917.92/56,570.95
  6. Step 6: Final answer
    x = 28,709.24

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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.