Home / 97,945.76-135,173.34-54,924.57

Finding the Fourth Proportional to 97,945.76, 135,173.34 and 54,924.57

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Solution

The fourth proportional to 97,945.76, 135,173.34 and 54,924.57 is: 75,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,945.76 : 135,173.34 = 54,924.57 : x
  2. Step 2: Convert to fraction form
    97,945.76/135,173.34 = 54,924.57/x
  3. Step 3: Cross multiply
    97,945.76x = 135,173.34 × 54,924.57
  4. Step 4: Simplify right side
    97,945.76x = 7,424,337,574.96
  5. Step 5: Solve for x
    x = 7,424,337,574.96/97,945.76
  6. Step 6: Final answer
    x = 75,800.50

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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.