Home / 68,485.61-94,334.34-48,307.03

Finding the Fourth Proportional to 68,485.61, 94,334.34 and 48,307.03

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Solution

The fourth proportional to 68,485.61, 94,334.34 and 48,307.03 is: 66,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,485.61 : 94,334.34 = 48,307.03 : x
  2. Step 2: Convert to fraction form
    68,485.61/94,334.34 = 48,307.03/x
  3. Step 3: Cross multiply
    68,485.61x = 94,334.34 × 48,307.03
  4. Step 4: Simplify right side
    68,485.61x = 4,557,011,792.41
  5. Step 5: Solve for x
    x = 4,557,011,792.41/68,485.61
  6. Step 6: Final answer
    x = 66,539.70

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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.