Home / 106,539.30-147,027.25-58,795.71

Finding the Fourth Proportional to 106,539.30, 147,027.25 and 58,795.71

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Solution

The fourth proportional to 106,539.30, 147,027.25 and 58,795.71 is: 81,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,539.30 : 147,027.25 = 58,795.71 : x
  2. Step 2: Convert to fraction form
    106,539.30/147,027.25 = 58,795.71/x
  3. Step 3: Cross multiply
    106,539.30x = 147,027.25 × 58,795.71
  4. Step 4: Simplify right side
    106,539.30x = 8,644,571,075.24
  5. Step 5: Solve for x
    x = 8,644,571,075.24/106,539.30
  6. Step 6: Final answer
    x = 81,139.74

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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.