Home / 100,870.58-151,325.80-29,794.45

Finding the Fourth Proportional to 100,870.58, 151,325.80 and 29,794.45

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Solution

The fourth proportional to 100,870.58, 151,325.80 and 29,794.45 is: 44,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,870.58 : 151,325.80 = 29,794.45 : x
  2. Step 2: Convert to fraction form
    100,870.58/151,325.80 = 29,794.45/x
  3. Step 3: Cross multiply
    100,870.58x = 151,325.80 × 29,794.45
  4. Step 4: Simplify right side
    100,870.58x = 4,508,668,529.01
  5. Step 5: Solve for x
    x = 4,508,668,529.01/100,870.58
  6. Step 6: Final answer
    x = 44,697.56

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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.