Home / 106,828.40-147,420.68-59,080.73

Finding the Fourth Proportional to 106,828.40, 147,420.68 and 59,080.73

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Solution

The fourth proportional to 106,828.40, 147,420.68 and 59,080.73 is: 81,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,828.40 : 147,420.68 = 59,080.73 : x
  2. Step 2: Convert to fraction form
    106,828.40/147,420.68 = 59,080.73/x
  3. Step 3: Cross multiply
    106,828.40x = 147,420.68 × 59,080.73
  4. Step 4: Simplify right side
    106,828.40x = 8,709,720,358.99
  5. Step 5: Solve for x
    x = 8,709,720,358.99/106,828.40
  6. Step 6: Final answer
    x = 81,530.01

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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.