Home / 106,586.79-147,090.24-58,840.53

Finding the Fourth Proportional to 106,586.79, 147,090.24 and 58,840.53

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Solution

The fourth proportional to 106,586.79, 147,090.24 and 58,840.53 is: 81,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,586.79 : 147,090.24 = 58,840.53 : x
  2. Step 2: Convert to fraction form
    106,586.79/147,090.24 = 58,840.53/x
  3. Step 3: Cross multiply
    106,586.79x = 147,090.24 × 58,840.53
  4. Step 4: Simplify right side
    106,586.79x = 8,654,867,679.43
  5. Step 5: Solve for x
    x = 8,654,867,679.43/106,586.79
  6. Step 6: Final answer
    x = 81,200.19

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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.