Home / 100,887.21-151,307.73-29,794.59

Finding the Fourth Proportional to 100,887.21, 151,307.73 and 29,794.59

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Solution

The fourth proportional to 100,887.21, 151,307.73 and 29,794.59 is: 44,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.21 : 151,307.73 = 29,794.59 : x
  2. Step 2: Convert to fraction form
    100,887.21/151,307.73 = 29,794.59/x
  3. Step 3: Cross multiply
    100,887.21x = 151,307.73 × 29,794.59
  4. Step 4: Simplify right side
    100,887.21x = 4,508,151,779.18
  5. Step 5: Solve for x
    x = 4,508,151,779.18/100,887.21
  6. Step 6: Final answer
    x = 44,685.07

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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.