Home / 85,101.73-117,439.38-46,860.49

Finding the Fourth Proportional to 85,101.73, 117,439.38 and 46,860.49

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Solution

The fourth proportional to 85,101.73, 117,439.38 and 46,860.49 is: 64,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,101.73 : 117,439.38 = 46,860.49 : x
  2. Step 2: Convert to fraction form
    85,101.73/117,439.38 = 46,860.49/x
  3. Step 3: Cross multiply
    85,101.73x = 117,439.38 × 46,860.49
  4. Step 4: Simplify right side
    85,101.73x = 5,503,266,892.10
  5. Step 5: Solve for x
    x = 5,503,266,892.10/85,101.73
  6. Step 6: Final answer
    x = 64,666.92

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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.