Home / 68,768.85-94,900.93-38,554.18

Finding the Fourth Proportional to 68,768.85, 94,900.93 and 38,554.18

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Solution

The fourth proportional to 68,768.85, 94,900.93 and 38,554.18 is: 53,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,768.85 : 94,900.93 = 38,554.18 : x
  2. Step 2: Convert to fraction form
    68,768.85/94,900.93 = 38,554.18/x
  3. Step 3: Cross multiply
    68,768.85x = 94,900.93 × 38,554.18
  4. Step 4: Simplify right side
    68,768.85x = 3,658,827,420.62
  5. Step 5: Solve for x
    x = 3,658,827,420.62/68,768.85
  6. Step 6: Final answer
    x = 53,204.72

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1.5x scale

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.