Home / 56,197.54-77,552.90-30,704.42

Finding the Fourth Proportional to 56,197.54, 77,552.90 and 30,704.42

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Solution

The fourth proportional to 56,197.54, 77,552.90 and 30,704.42 is: 42,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197.54 : 77,552.90 = 30,704.42 : x
  2. Step 2: Convert to fraction form
    56,197.54/77,552.90 = 30,704.42/x
  3. Step 3: Cross multiply
    56,197.54x = 77,552.90 × 30,704.42
  4. Step 4: Simplify right side
    56,197.54x = 2,381,216,813.82
  5. Step 5: Solve for x
    x = 2,381,216,813.82/56,197.54
  6. Step 6: Final answer
    x = 42,372.26

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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.