Home / 85,188.12-117,560.41-46,949.05

Finding the Fourth Proportional to 85,188.12, 117,560.41 and 46,949.05

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Solution

The fourth proportional to 85,188.12, 117,560.41 and 46,949.05 is: 64,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,188.12 : 117,560.41 = 46,949.05 : x
  2. Step 2: Convert to fraction form
    85,188.12/117,560.41 = 46,949.05/x
  3. Step 3: Cross multiply
    85,188.12x = 117,560.41 × 46,949.05
  4. Step 4: Simplify right side
    85,188.12x = 5,519,349,111.65
  5. Step 5: Solve for x
    x = 5,519,349,111.65/85,188.12
  6. Step 6: Final answer
    x = 64,790.13

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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.