Home / 100,824.60-151,172.10-41,683.80

Finding the Fourth Proportional to 100,824.60, 151,172.10 and 41,683.80

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Solution

The fourth proportional to 100,824.60, 151,172.10 and 41,683.80 is: 62,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,824.60 : 151,172.10 = 41,683.80 : x
  2. Step 2: Convert to fraction form
    100,824.60/151,172.10 = 41,683.80/x
  3. Step 3: Cross multiply
    100,824.60x = 151,172.10 × 41,683.80
  4. Step 4: Simplify right side
    100,824.60x = 6,301,427,581.98
  5. Step 5: Solve for x
    x = 6,301,427,581.98/100,824.60
  6. Step 6: Final answer
    x = 62,498.91

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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.