Home / 97,091.46-133,968.33-54,640.98

Finding the Fourth Proportional to 97,091.46, 133,968.33 and 54,640.98

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Solution

The fourth proportional to 97,091.46, 133,968.33 and 54,640.98 is: 75,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,091.46 : 133,968.33 = 54,640.98 : x
  2. Step 2: Convert to fraction form
    97,091.46/133,968.33 = 54,640.98/x
  3. Step 3: Cross multiply
    97,091.46x = 133,968.33 × 54,640.98
  4. Step 4: Simplify right side
    97,091.46x = 7,320,160,840.16
  5. Step 5: Solve for x
    x = 7,320,160,840.16/97,091.46
  6. Step 6: Final answer
    x = 75,394.49

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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.