Home / 100,842.18-151,229.24-37,649.22

Finding the Fourth Proportional to 100,842.18, 151,229.24 and 37,649.22

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Solution

The fourth proportional to 100,842.18, 151,229.24 and 37,649.22 is: 56,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,842.18 : 151,229.24 = 37,649.22 : x
  2. Step 2: Convert to fraction form
    100,842.18/151,229.24 = 37,649.22/x
  3. Step 3: Cross multiply
    100,842.18x = 151,229.24 × 37,649.22
  4. Step 4: Simplify right side
    100,842.18x = 5,693,662,927.19
  5. Step 5: Solve for x
    x = 5,693,662,927.19/100,842.18
  6. Step 6: Final answer
    x = 56,461.12

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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.