Home / 94,878.03-142,340.40-66,852.81

Finding the Fourth Proportional to 94,878.03, 142,340.40 and 66,852.81

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Solution

The fourth proportional to 94,878.03, 142,340.40 and 66,852.81 is: 100,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,878.03 : 142,340.40 = 66,852.81 : x
  2. Step 2: Convert to fraction form
    94,878.03/142,340.40 = 66,852.81/x
  3. Step 3: Cross multiply
    94,878.03x = 142,340.40 × 66,852.81
  4. Step 4: Simplify right side
    94,878.03x = 9,515,855,716.52
  5. Step 5: Solve for x
    x = 9,515,855,716.52/94,878.03
  6. Step 6: Final answer
    x = 100,295.67

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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.