Home / 106,021.89-146,310.53-58,280.13

Finding the Fourth Proportional to 106,021.89, 146,310.53 and 58,280.13

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Solution

The fourth proportional to 106,021.89, 146,310.53 and 58,280.13 is: 80,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.89 : 146,310.53 = 58,280.13 : x
  2. Step 2: Convert to fraction form
    106,021.89/146,310.53 = 58,280.13/x
  3. Step 3: Cross multiply
    106,021.89x = 146,310.53 × 58,280.13
  4. Step 4: Simplify right side
    106,021.89x = 8,526,996,417.37
  5. Step 5: Solve for x
    x = 8,526,996,417.37/106,021.89
  6. Step 6: Final answer
    x = 80,426.75

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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.