Home / 85,005.05-117,302.33-46,758.43

Finding the Fourth Proportional to 85,005.05, 117,302.33 and 46,758.43

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Solution

The fourth proportional to 85,005.05, 117,302.33 and 46,758.43 is: 64,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,005.05 : 117,302.33 = 46,758.43 : x
  2. Step 2: Convert to fraction form
    85,005.05/117,302.33 = 46,758.43/x
  3. Step 3: Cross multiply
    85,005.05x = 117,302.33 × 46,758.43
  4. Step 4: Simplify right side
    85,005.05x = 5,484,872,786.14
  5. Step 5: Solve for x
    x = 5,484,872,786.14/85,005.05
  6. Step 6: Final answer
    x = 64,524.08

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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.