Home / 56,198.34-77,551.42-30,705.59

Finding the Fourth Proportional to 56,198.34, 77,551.42 and 30,705.59

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Solution

The fourth proportional to 56,198.34, 77,551.42 and 30,705.59 is: 42,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,198.34 : 77,551.42 = 30,705.59 : x
  2. Step 2: Convert to fraction form
    56,198.34/77,551.42 = 30,705.59/x
  3. Step 3: Cross multiply
    56,198.34x = 77,551.42 × 30,705.59
  4. Step 4: Simplify right side
    56,198.34x = 2,381,261,952.91
  5. Step 5: Solve for x
    x = 2,381,261,952.91/56,198.34
  6. Step 6: Final answer
    x = 42,372.46

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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.