Home / 82,116.57-113,339.01-53,386.22

Finding the Fourth Proportional to 82,116.57, 113,339.01 and 53,386.22

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Solution

The fourth proportional to 82,116.57, 113,339.01 and 53,386.22 is: 73,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,116.57 : 113,339.01 = 53,386.22 : x
  2. Step 2: Convert to fraction form
    82,116.57/113,339.01 = 53,386.22/x
  3. Step 3: Cross multiply
    82,116.57x = 113,339.01 × 53,386.22
  4. Step 4: Simplify right side
    82,116.57x = 6,050,741,322.44
  5. Step 5: Solve for x
    x = 6,050,741,322.44/82,116.57
  6. Step 6: Final answer
    x = 73,684.78

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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.