Home / 85,082.89-117,327.36-56,392.59

Finding the Fourth Proportional to 85,082.89, 117,327.36 and 56,392.59

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Solution

The fourth proportional to 85,082.89, 117,327.36 and 56,392.59 is: 77,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,082.89 : 117,327.36 = 56,392.59 : x
  2. Step 2: Convert to fraction form
    85,082.89/117,327.36 = 56,392.59/x
  3. Step 3: Cross multiply
    85,082.89x = 117,327.36 × 56,392.59
  4. Step 4: Simplify right side
    85,082.89x = 6,616,393,003.94
  5. Step 5: Solve for x
    x = 6,616,393,003.94/85,082.89
  6. Step 6: Final answer
    x = 77,764.09

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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.