Home / 56,087.16-77,400.28-30,936.66

Finding the Fourth Proportional to 56,087.16, 77,400.28 and 30,936.66

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Solution

The fourth proportional to 56,087.16, 77,400.28 and 30,936.66 is: 42,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,087.16 : 77,400.28 = 30,936.66 : x
  2. Step 2: Convert to fraction form
    56,087.16/77,400.28 = 30,936.66/x
  3. Step 3: Cross multiply
    56,087.16x = 77,400.28 × 30,936.66
  4. Step 4: Simplify right side
    56,087.16x = 2,394,505,720.67
  5. Step 5: Solve for x
    x = 2,394,505,720.67/56,087.16
  6. Step 6: Final answer
    x = 42,692.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.