Home / 56,184.03-77,533.42-30,690.38

Finding the Fourth Proportional to 56,184.03, 77,533.42 and 30,690.38

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Solution

The fourth proportional to 56,184.03, 77,533.42 and 30,690.38 is: 42,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.03 : 77,533.42 = 30,690.38 : x
  2. Step 2: Convert to fraction form
    56,184.03/77,533.42 = 30,690.38/x
  3. Step 3: Cross multiply
    56,184.03x = 77,533.42 × 30,690.38
  4. Step 4: Simplify right side
    56,184.03x = 2,379,530,122.50
  5. Step 5: Solve for x
    x = 2,379,530,122.50/56,184.03
  6. Step 6: Final answer
    x = 42,352.43

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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.