Home / 107,720.19-148,651.34-59,972.58

Finding the Fourth Proportional to 107,720.19, 148,651.34 and 59,972.58

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Solution

The fourth proportional to 107,720.19, 148,651.34 and 59,972.58 is: 82,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.19 : 148,651.34 = 59,972.58 : x
  2. Step 2: Convert to fraction form
    107,720.19/148,651.34 = 59,972.58/x
  3. Step 3: Cross multiply
    107,720.19x = 148,651.34 × 59,972.58
  4. Step 4: Simplify right side
    107,720.19x = 8,915,004,080.39
  5. Step 5: Solve for x
    x = 8,915,004,080.39/107,720.19
  6. Step 6: Final answer
    x = 82,760.75

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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.