Home / 42,187.56-63,287.40-14,099.22

Finding the Fourth Proportional to 42,187.56, 63,287.40 and 14,099.22

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Solution

The fourth proportional to 42,187.56, 63,287.40 and 14,099.22 is: 21,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.56 : 63,287.40 = 14,099.22 : x
  2. Step 2: Convert to fraction form
    42,187.56/63,287.40 = 14,099.22/x
  3. Step 3: Cross multiply
    42,187.56x = 63,287.40 × 14,099.22
  4. Step 4: Simplify right side
    42,187.56x = 892,302,975.83
  5. Step 5: Solve for x
    x = 892,302,975.83/42,187.56
  6. Step 6: Final answer
    x = 21,150.86

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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.