Home / 100,861.40-151,303.01-37,711.77

Finding the Fourth Proportional to 100,861.40, 151,303.01 and 37,711.77

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Solution

The fourth proportional to 100,861.40, 151,303.01 and 37,711.77 is: 56,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.40 : 151,303.01 = 37,711.77 : x
  2. Step 2: Convert to fraction form
    100,861.40/151,303.01 = 37,711.77/x
  3. Step 3: Cross multiply
    100,861.40x = 151,303.01 × 37,711.77
  4. Step 4: Simplify right side
    100,861.40x = 5,705,904,124.87
  5. Step 5: Solve for x
    x = 5,705,904,124.87/100,861.40
  6. Step 6: Final answer
    x = 56,571.74

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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.