Home / 97,813.54-146,661.27-53,378.56

Finding the Fourth Proportional to 97,813.54, 146,661.27 and 53,378.56

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Solution

The fourth proportional to 97,813.54, 146,661.27 and 53,378.56 is: 80,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,813.54 : 146,661.27 = 53,378.56 : x
  2. Step 2: Convert to fraction form
    97,813.54/146,661.27 = 53,378.56/x
  3. Step 3: Cross multiply
    97,813.54x = 146,661.27 × 53,378.56
  4. Step 4: Simplify right side
    97,813.54x = 7,828,567,400.37
  5. Step 5: Solve for x
    x = 7,828,567,400.37/97,813.54
  6. Step 6: Final answer
    x = 80,035.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.