Home / 106,433.70-146,879.53-58,688.74

Finding the Fourth Proportional to 106,433.70, 146,879.53 and 58,688.74

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Solution

The fourth proportional to 106,433.70, 146,879.53 and 58,688.74 is: 80,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,433.70 : 146,879.53 = 58,688.74 : x
  2. Step 2: Convert to fraction form
    106,433.70/146,879.53 = 58,688.74/x
  3. Step 3: Cross multiply
    106,433.70x = 146,879.53 × 58,688.74
  4. Step 4: Simplify right side
    106,433.70x = 8,620,174,547.49
  5. Step 5: Solve for x
    x = 8,620,174,547.49/106,433.70
  6. Step 6: Final answer
    x = 80,991.03

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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.