Home / 68,602.89-94,642.33-48,477.02

Finding the Fourth Proportional to 68,602.89, 94,642.33 and 48,477.02

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Solution

The fourth proportional to 68,602.89, 94,642.33 and 48,477.02 is: 66,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,602.89 : 94,642.33 = 48,477.02 : x
  2. Step 2: Convert to fraction form
    68,602.89/94,642.33 = 48,477.02/x
  3. Step 3: Cross multiply
    68,602.89x = 94,642.33 × 48,477.02
  4. Step 4: Simplify right side
    68,602.89x = 4,587,978,124.26
  5. Step 5: Solve for x
    x = 4,587,978,124.26/68,602.89
  6. Step 6: Final answer
    x = 66,877.33

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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.