Home / 117,577.66-162,258.91-66,589.13

Finding the Fourth Proportional to 117,577.66, 162,258.91 and 66,589.13

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Solution

The fourth proportional to 117,577.66, 162,258.91 and 66,589.13 is: 91,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,577.66 : 162,258.91 = 66,589.13 : x
  2. Step 2: Convert to fraction form
    117,577.66/162,258.91 = 66,589.13/x
  3. Step 3: Cross multiply
    117,577.66x = 162,258.91 × 66,589.13
  4. Step 4: Simplify right side
    117,577.66x = 10,804,679,651.65
  5. Step 5: Solve for x
    x = 10,804,679,651.65/117,577.66
  6. Step 6: Final answer
    x = 91,893.98

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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.