Home / 57,016.66-78,682.80-31,866.16

Finding the Fourth Proportional to 57,016.66, 78,682.80 and 31,866.16

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Solution

The fourth proportional to 57,016.66, 78,682.80 and 31,866.16 is: 43,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.66 : 78,682.80 = 31,866.16 : x
  2. Step 2: Convert to fraction form
    57,016.66/78,682.80 = 31,866.16/x
  3. Step 3: Cross multiply
    57,016.66x = 78,682.80 × 31,866.16
  4. Step 4: Simplify right side
    57,016.66x = 2,507,318,722.08
  5. Step 5: Solve for x
    x = 2,507,318,722.08/57,016.66
  6. Step 6: Final answer
    x = 43,975.19

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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.