Home / 56,557.46-84,822.17-19,116.70

Finding the Fourth Proportional to 56,557.46, 84,822.17 and 19,116.70

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Solution

The fourth proportional to 56,557.46, 84,822.17 and 19,116.70 is: 28,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.46 : 84,822.17 = 19,116.70 : x
  2. Step 2: Convert to fraction form
    56,557.46/84,822.17 = 19,116.70/x
  3. Step 3: Cross multiply
    56,557.46x = 84,822.17 × 19,116.70
  4. Step 4: Simplify right side
    56,557.46x = 1,621,519,669.60
  5. Step 5: Solve for x
    x = 1,621,519,669.60/56,557.46
  6. Step 6: Final answer
    x = 28,670.31

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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.