Home / 55,672.02-76,782.60-48,943.26

Finding the Fourth Proportional to 55,672.02, 76,782.60 and 48,943.26

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Solution

The fourth proportional to 55,672.02, 76,782.60 and 48,943.26 is: 67,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,672.02 : 76,782.60 = 48,943.26 : x
  2. Step 2: Convert to fraction form
    55,672.02/76,782.60 = 48,943.26/x
  3. Step 3: Cross multiply
    55,672.02x = 76,782.60 × 48,943.26
  4. Step 4: Simplify right side
    55,672.02x = 3,757,990,755.28
  5. Step 5: Solve for x
    x = 3,757,990,755.28/55,672.02
  6. Step 6: Final answer
    x = 67,502.32

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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.