Home / 106,589.89-147,090.19-58,842.21

Finding the Fourth Proportional to 106,589.89, 147,090.19 and 58,842.21

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Solution

The fourth proportional to 106,589.89, 147,090.19 and 58,842.21 is: 81,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,589.89 : 147,090.19 = 58,842.21 : x
  2. Step 2: Convert to fraction form
    106,589.89/147,090.19 = 58,842.21/x
  3. Step 3: Cross multiply
    106,589.89x = 147,090.19 × 58,842.21
  4. Step 4: Simplify right side
    106,589.89x = 8,655,111,554.73
  5. Step 5: Solve for x
    x = 8,655,111,554.73/106,589.89
  6. Step 6: Final answer
    x = 81,200.12

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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.