Home / 106,776.05-147,343.73-59,022.90

Finding the Fourth Proportional to 106,776.05, 147,343.73 and 59,022.90

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Solution

The fourth proportional to 106,776.05, 147,343.73 and 59,022.90 is: 81,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,776.05 : 147,343.73 = 59,022.90 : x
  2. Step 2: Convert to fraction form
    106,776.05/147,343.73 = 59,022.90/x
  3. Step 3: Cross multiply
    106,776.05x = 147,343.73 × 59,022.90
  4. Step 4: Simplify right side
    106,776.05x = 8,696,653,946.30
  5. Step 5: Solve for x
    x = 8,696,653,946.30/106,776.05
  6. Step 6: Final answer
    x = 81,447.61

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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.