Home / 85,188.65-117,561.14-46,949.59

Finding the Fourth Proportional to 85,188.65, 117,561.14 and 46,949.59

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Solution

The fourth proportional to 85,188.65, 117,561.14 and 46,949.59 is: 64,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,188.65 : 117,561.14 = 46,949.59 : x
  2. Step 2: Convert to fraction form
    85,188.65/117,561.14 = 46,949.59/x
  3. Step 3: Cross multiply
    85,188.65x = 117,561.14 × 46,949.59
  4. Step 4: Simplify right side
    85,188.65x = 5,519,447,264.25
  5. Step 5: Solve for x
    x = 5,519,447,264.25/85,188.65
  6. Step 6: Final answer
    x = 64,790.88

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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.