Home / 107,420.20-148,236.66-59,022.04

Finding the Fourth Proportional to 107,420.20, 148,236.66 and 59,022.04

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Solution

The fourth proportional to 107,420.20, 148,236.66 and 59,022.04 is: 81,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420.20 : 148,236.66 = 59,022.04 : x
  2. Step 2: Convert to fraction form
    107,420.20/148,236.66 = 59,022.04/x
  3. Step 3: Cross multiply
    107,420.20x = 148,236.66 × 59,022.04
  4. Step 4: Simplify right side
    107,420.20x = 8,749,230,075.99
  5. Step 5: Solve for x
    x = 8,749,230,075.99/107,420.20
  6. Step 6: Final answer
    x = 81,448.65

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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.