Home / 81,316.29-112,228.22-46,854.43

Finding the Fourth Proportional to 81,316.29, 112,228.22 and 46,854.43

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Solution

The fourth proportional to 81,316.29, 112,228.22 and 46,854.43 is: 64,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,316.29 : 112,228.22 = 46,854.43 : x
  2. Step 2: Convert to fraction form
    81,316.29/112,228.22 = 46,854.43/x
  3. Step 3: Cross multiply
    81,316.29x = 112,228.22 × 46,854.43
  4. Step 4: Simplify right side
    81,316.29x = 5,258,388,716.87
  5. Step 5: Solve for x
    x = 5,258,388,716.87/81,316.29
  6. Step 6: Final answer
    x = 64,665.87

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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.