Home / 85,211.13-117,585.98-46,968.56

Finding the Fourth Proportional to 85,211.13, 117,585.98 and 46,968.56

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Solution

The fourth proportional to 85,211.13, 117,585.98 and 46,968.56 is: 64,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,211.13 : 117,585.98 = 46,968.56 : x
  2. Step 2: Convert to fraction form
    85,211.13/117,585.98 = 46,968.56/x
  3. Step 3: Cross multiply
    85,211.13x = 117,585.98 × 46,968.56
  4. Step 4: Simplify right side
    85,211.13x = 5,522,843,951.10
  5. Step 5: Solve for x
    x = 5,522,843,951.10/85,211.13
  6. Step 6: Final answer
    x = 64,813.65

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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.