Home / 56,692.13-85,039.01-19,756.13

Finding the Fourth Proportional to 56,692.13, 85,039.01 and 19,756.13

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Solution

The fourth proportional to 56,692.13, 85,039.01 and 19,756.13 is: 29,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.13 : 85,039.01 = 19,756.13 : x
  2. Step 2: Convert to fraction form
    56,692.13/85,039.01 = 19,756.13/x
  3. Step 3: Cross multiply
    56,692.13x = 85,039.01 × 19,756.13
  4. Step 4: Simplify right side
    56,692.13x = 1,680,041,212.66
  5. Step 5: Solve for x
    x = 1,680,041,212.66/56,692.13
  6. Step 6: Final answer
    x = 29,634.47

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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.