Home / 72,990.02-100,726.66-46,144.60

Finding the Fourth Proportional to 72,990.02, 100,726.66 and 46,144.60

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Solution

The fourth proportional to 72,990.02, 100,726.66 and 46,144.60 is: 63,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,990.02 : 100,726.66 = 46,144.60 : x
  2. Step 2: Convert to fraction form
    72,990.02/100,726.66 = 46,144.60/x
  3. Step 3: Cross multiply
    72,990.02x = 100,726.66 × 46,144.60
  4. Step 4: Simplify right side
    72,990.02x = 4,647,991,435.04
  5. Step 5: Solve for x
    x = 4,647,991,435.04/72,990.02
  6. Step 6: Final answer
    x = 63,679.82

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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.