Home / 106,849.08-147,442.55-59,090.54

Finding the Fourth Proportional to 106,849.08, 147,442.55 and 59,090.54

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Solution

The fourth proportional to 106,849.08, 147,442.55 and 59,090.54 is: 81,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,849.08 : 147,442.55 = 59,090.54 : x
  2. Step 2: Convert to fraction form
    106,849.08/147,442.55 = 59,090.54/x
  3. Step 3: Cross multiply
    106,849.08x = 147,442.55 × 59,090.54
  4. Step 4: Simplify right side
    106,849.08x = 8,712,459,603.02
  5. Step 5: Solve for x
    x = 8,712,459,603.02/106,849.08
  6. Step 6: Final answer
    x = 81,539.87

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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.