Home / 106,863.42-147,362.31-71,059.26

Finding the Fourth Proportional to 106,863.42, 147,362.31 and 71,059.26

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Solution

The fourth proportional to 106,863.42, 147,362.31 and 71,059.26 is: 97,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,863.42 : 147,362.31 = 71,059.26 : x
  2. Step 2: Convert to fraction form
    106,863.42/147,362.31 = 71,059.26/x
  3. Step 3: Cross multiply
    106,863.42x = 147,362.31 × 71,059.26
  4. Step 4: Simplify right side
    106,863.42x = 10,471,456,700.49
  5. Step 5: Solve for x
    x = 10,471,456,700.49/106,863.42
  6. Step 6: Final answer
    x = 97,989.16

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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.