Home / 88,039.02-132,069.60-28,880.67

Finding the Fourth Proportional to 88,039.02, 132,069.60 and 28,880.67

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Solution

The fourth proportional to 88,039.02, 132,069.60 and 28,880.67 is: 43,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.02 : 132,069.60 = 28,880.67 : x
  2. Step 2: Convert to fraction form
    88,039.02/132,069.60 = 28,880.67/x
  3. Step 3: Cross multiply
    88,039.02x = 132,069.60 × 28,880.67
  4. Step 4: Simplify right side
    88,039.02x = 3,814,258,534.63
  5. Step 5: Solve for x
    x = 3,814,258,534.63/88,039.02
  6. Step 6: Final answer
    x = 43,324.64

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1.5x scale

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.