Home / 96,819.51-133,623.47-54,378.05

Finding the Fourth Proportional to 96,819.51, 133,623.47 and 54,378.05

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Solution

The fourth proportional to 96,819.51, 133,623.47 and 54,378.05 is: 75,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,819.51 : 133,623.47 = 54,378.05 : x
  2. Step 2: Convert to fraction form
    96,819.51/133,623.47 = 54,378.05/x
  3. Step 3: Cross multiply
    96,819.51x = 133,623.47 × 54,378.05
  4. Step 4: Simplify right side
    96,819.51x = 7,266,184,202.84
  5. Step 5: Solve for x
    x = 7,266,184,202.84/96,819.51
  6. Step 6: Final answer
    x = 75,048.76

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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.