Home / 96,768.34-133,554.09-54,329.74

Finding the Fourth Proportional to 96,768.34, 133,554.09 and 54,329.74

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Solution

The fourth proportional to 96,768.34, 133,554.09 and 54,329.74 is: 74,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768.34 : 133,554.09 = 54,329.74 : x
  2. Step 2: Convert to fraction form
    96,768.34/133,554.09 = 54,329.74/x
  3. Step 3: Cross multiply
    96,768.34x = 133,554.09 × 54,329.74
  4. Step 4: Simplify right side
    96,768.34x = 7,255,958,985.64
  5. Step 5: Solve for x
    x = 7,255,958,985.64/96,768.34
  6. Step 6: Final answer
    x = 74,982.78

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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.