Home / 85,286.82-117,695.93-47,045.51

Finding the Fourth Proportional to 85,286.82, 117,695.93 and 47,045.51

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Solution

The fourth proportional to 85,286.82, 117,695.93 and 47,045.51 is: 64,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,286.82 : 117,695.93 = 47,045.51 : x
  2. Step 2: Convert to fraction form
    85,286.82/117,695.93 = 47,045.51/x
  3. Step 3: Cross multiply
    85,286.82x = 117,695.93 × 47,045.51
  4. Step 4: Simplify right side
    85,286.82x = 5,537,064,228.07
  5. Step 5: Solve for x
    x = 5,537,064,228.07/85,286.82
  6. Step 6: Final answer
    x = 64,922.86

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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.