Home / 54,316.89-81,103.75-48,658.03

Finding the Fourth Proportional to 54,316.89, 81,103.75 and 48,658.03

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Solution

The fourth proportional to 54,316.89, 81,103.75 and 48,658.03 is: 72,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.89 : 81,103.75 = 48,658.03 : x
  2. Step 2: Convert to fraction form
    54,316.89/81,103.75 = 48,658.03/x
  3. Step 3: Cross multiply
    54,316.89x = 81,103.75 × 48,658.03
  4. Step 4: Simplify right side
    54,316.89x = 3,946,348,376.21
  5. Step 5: Solve for x
    x = 3,946,348,376.21/54,316.89
  6. Step 6: Final answer
    x = 72,654.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.