Home / 106,768.21-147,333.81-59,018.71

Finding the Fourth Proportional to 106,768.21, 147,333.81 and 59,018.71

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Solution

The fourth proportional to 106,768.21, 147,333.81 and 59,018.71 is: 81,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,768.21 : 147,333.81 = 59,018.71 : x
  2. Step 2: Convert to fraction form
    106,768.21/147,333.81 = 59,018.71/x
  3. Step 3: Cross multiply
    106,768.21x = 147,333.81 × 59,018.71
  4. Step 4: Simplify right side
    106,768.21x = 8,695,451,405.59
  5. Step 5: Solve for x
    x = 8,695,451,405.59/106,768.21
  6. Step 6: Final answer
    x = 81,442.33

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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.