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Finding the Fourth Proportional to 97,004.92, 133,865.46 and 54,563.40

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Solution

The fourth proportional to 97,004.92, 133,865.46 and 54,563.40 is: 75,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,004.92 : 133,865.46 = 54,563.40 : x
  2. Step 2: Convert to fraction form
    97,004.92/133,865.46 = 54,563.40/x
  3. Step 3: Cross multiply
    97,004.92x = 133,865.46 × 54,563.40
  4. Step 4: Simplify right side
    97,004.92x = 7,304,154,640.16
  5. Step 5: Solve for x
    x = 7,304,154,640.16/97,004.92
  6. Step 6: Final answer
    x = 75,296.74

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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.