Home / 89,064.35-133,645.73-49,643.67

Finding the Fourth Proportional to 89,064.35, 133,645.73 and 49,643.67

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Solution

The fourth proportional to 89,064.35, 133,645.73 and 49,643.67 is: 74,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064.35 : 133,645.73 = 49,643.67 : x
  2. Step 2: Convert to fraction form
    89,064.35/133,645.73 = 49,643.67/x
  3. Step 3: Cross multiply
    89,064.35x = 133,645.73 × 49,643.67
  4. Step 4: Simplify right side
    89,064.35x = 6,634,664,517.03
  5. Step 5: Solve for x
    x = 6,634,664,517.03/89,064.35
  6. Step 6: Final answer
    x = 74,492.93

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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.