Home / 109,438.54-151,025.18-59,137.54

Finding the Fourth Proportional to 109,438.54, 151,025.18 and 59,137.54

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Solution

The fourth proportional to 109,438.54, 151,025.18 and 59,137.54 is: 81,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,438.54 : 151,025.18 = 59,137.54 : x
  2. Step 2: Convert to fraction form
    109,438.54/151,025.18 = 59,137.54/x
  3. Step 3: Cross multiply
    109,438.54x = 151,025.18 × 59,137.54
  4. Step 4: Simplify right side
    109,438.54x = 8,931,257,623.26
  5. Step 5: Solve for x
    x = 8,931,257,623.26/109,438.54
  6. Step 6: Final answer
    x = 81,609.80

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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.