Home / 97,077.20-133,944.36-54,620.24

Finding the Fourth Proportional to 97,077.20, 133,944.36 and 54,620.24

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Solution

The fourth proportional to 97,077.20, 133,944.36 and 54,620.24 is: 75,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,077.20 : 133,944.36 = 54,620.24 : x
  2. Step 2: Convert to fraction form
    97,077.20/133,944.36 = 54,620.24/x
  3. Step 3: Cross multiply
    97,077.20x = 133,944.36 × 54,620.24
  4. Step 4: Simplify right side
    97,077.20x = 7,316,073,089.85
  5. Step 5: Solve for x
    x = 7,316,073,089.85/97,077.20
  6. Step 6: Final answer
    x = 75,363.45

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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.