Home / 106,089.72-146,400.89-58,343.06

Finding the Fourth Proportional to 106,089.72, 146,400.89 and 58,343.06

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Solution

The fourth proportional to 106,089.72, 146,400.89 and 58,343.06 is: 80,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,089.72 : 146,400.89 = 58,343.06 : x
  2. Step 2: Convert to fraction form
    106,089.72/146,400.89 = 58,343.06/x
  3. Step 3: Cross multiply
    106,089.72x = 146,400.89 × 58,343.06
  4. Step 4: Simplify right side
    106,089.72x = 8,541,476,421.18
  5. Step 5: Solve for x
    x = 8,541,476,421.18/106,089.72
  6. Step 6: Final answer
    x = 80,511.82

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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.