Home / 115,913.90-173,611.65-89,533.10

Finding the Fourth Proportional to 115,913.90, 173,611.65 and 89,533.10

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Solution

The fourth proportional to 115,913.90, 173,611.65 and 89,533.10 is: 134,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,913.90 : 173,611.65 = 89,533.10 : x
  2. Step 2: Convert to fraction form
    115,913.90/173,611.65 = 89,533.10/x
  3. Step 3: Cross multiply
    115,913.90x = 173,611.65 × 89,533.10
  4. Step 4: Simplify right side
    115,913.90x = 15,543,989,220.62
  5. Step 5: Solve for x
    x = 15,543,989,220.62/115,913.90
  6. Step 6: Final answer
    x = 134,099.44

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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.