Home / 99,496.20-149,025.60-59,984.40

Finding the Fourth Proportional to 99,496.20, 149,025.60 and 59,984.40

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Solution

The fourth proportional to 99,496.20, 149,025.60 and 59,984.40 is: 89,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496.20 : 149,025.60 = 59,984.40 : x
  2. Step 2: Convert to fraction form
    99,496.20/149,025.60 = 59,984.40/x
  3. Step 3: Cross multiply
    99,496.20x = 149,025.60 × 59,984.40
  4. Step 4: Simplify right side
    99,496.20x = 8,939,211,200.64
  5. Step 5: Solve for x
    x = 8,939,211,200.64/99,496.20
  6. Step 6: Final answer
    x = 89,844.75

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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.