Home / 107,895.49-161,696.78-57,281.73

Finding the Fourth Proportional to 107,895.49, 161,696.78 and 57,281.73

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Solution

The fourth proportional to 107,895.49, 161,696.78 and 57,281.73 is: 85,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,895.49 : 161,696.78 = 57,281.73 : x
  2. Step 2: Convert to fraction form
    107,895.49/161,696.78 = 57,281.73/x
  3. Step 3: Cross multiply
    107,895.49x = 161,696.78 × 57,281.73
  4. Step 4: Simplify right side
    107,895.49x = 9,262,271,686.51
  5. Step 5: Solve for x
    x = 9,262,271,686.51/107,895.49
  6. Step 6: Final answer
    x = 85,844.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.