Home / 106,765.56-147,330.69-59,015.83

Finding the Fourth Proportional to 106,765.56, 147,330.69 and 59,015.83

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Solution

The fourth proportional to 106,765.56, 147,330.69 and 59,015.83 is: 81,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,765.56 : 147,330.69 = 59,015.83 : x
  2. Step 2: Convert to fraction form
    106,765.56/147,330.69 = 59,015.83/x
  3. Step 3: Cross multiply
    106,765.56x = 147,330.69 × 59,015.83
  4. Step 4: Simplify right side
    106,765.56x = 8,694,842,954.82
  5. Step 5: Solve for x
    x = 8,694,842,954.82/106,765.56
  6. Step 6: Final answer
    x = 81,438.65

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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.