Home / 106,981.40-160,529.70-47,826.20

Finding the Fourth Proportional to 106,981.40, 160,529.70 and 47,826.20

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Solution

The fourth proportional to 106,981.40, 160,529.70 and 47,826.20 is: 71,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,981.40 : 160,529.70 = 47,826.20 : x
  2. Step 2: Convert to fraction form
    106,981.40/160,529.70 = 47,826.20/x
  3. Step 3: Cross multiply
    106,981.40x = 160,529.70 × 47,826.20
  4. Step 4: Simplify right side
    106,981.40x = 7,677,525,538.14
  5. Step 5: Solve for x
    x = 7,677,525,538.14/106,981.40
  6. Step 6: Final answer
    x = 71,765.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.