Home / 111,099.06-153,316.05-63,351.39

Finding the Fourth Proportional to 111,099.06, 153,316.05 and 63,351.39

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Solution

The fourth proportional to 111,099.06, 153,316.05 and 63,351.39 is: 87,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099.06 : 153,316.05 = 63,351.39 : x
  2. Step 2: Convert to fraction form
    111,099.06/153,316.05 = 63,351.39/x
  3. Step 3: Cross multiply
    111,099.06x = 153,316.05 × 63,351.39
  4. Step 4: Simplify right side
    111,099.06x = 9,712,784,420.66
  5. Step 5: Solve for x
    x = 9,712,784,420.66/111,099.06
  6. Step 6: Final answer
    x = 87,424.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.