Home / 56,655.98-84,965.76-18,696.75

Finding the Fourth Proportional to 56,655.98, 84,965.76 and 18,696.75

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Solution

The fourth proportional to 56,655.98, 84,965.76 and 18,696.75 is: 28,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,655.98 : 84,965.76 = 18,696.75 : x
  2. Step 2: Convert to fraction form
    56,655.98/84,965.76 = 18,696.75/x
  3. Step 3: Cross multiply
    56,655.98x = 84,965.76 × 18,696.75
  4. Step 4: Simplify right side
    56,655.98x = 1,588,583,573.28
  5. Step 5: Solve for x
    x = 1,588,583,573.28/56,655.98
  6. Step 6: Final answer
    x = 28,039.12

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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.