Home / 100,810.02-151,237.98-30,694.80

Finding the Fourth Proportional to 100,810.02, 151,237.98 and 30,694.80

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Solution

The fourth proportional to 100,810.02, 151,237.98 and 30,694.80 is: 46,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,810.02 : 151,237.98 = 30,694.80 : x
  2. Step 2: Convert to fraction form
    100,810.02/151,237.98 = 30,694.80/x
  3. Step 3: Cross multiply
    100,810.02x = 151,237.98 × 30,694.80
  4. Step 4: Simplify right side
    100,810.02x = 4,642,219,548.50
  5. Step 5: Solve for x
    x = 4,642,219,548.50/100,810.02
  6. Step 6: Final answer
    x = 46,049.19

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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.