Home / 97,711.55-146,406.34-89,540.68

Finding the Fourth Proportional to 97,711.55, 146,406.34 and 89,540.68

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Solution

The fourth proportional to 97,711.55, 146,406.34 and 89,540.68 is: 134,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,711.55 : 146,406.34 = 89,540.68 : x
  2. Step 2: Convert to fraction form
    97,711.55/146,406.34 = 89,540.68/x
  3. Step 3: Cross multiply
    97,711.55x = 146,406.34 × 89,540.68
  4. Step 4: Simplify right side
    97,711.55x = 13,109,323,239.91
  5. Step 5: Solve for x
    x = 13,109,323,239.91/97,711.55
  6. Step 6: Final answer
    x = 134,163.50

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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.