Home / 89,467.89-134,091.05-45,070.43

Finding the Fourth Proportional to 89,467.89, 134,091.05 and 45,070.43

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Solution

The fourth proportional to 89,467.89, 134,091.05 and 45,070.43 is: 67,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,467.89 : 134,091.05 = 45,070.43 : x
  2. Step 2: Convert to fraction form
    89,467.89/134,091.05 = 45,070.43/x
  3. Step 3: Cross multiply
    89,467.89x = 134,091.05 × 45,070.43
  4. Step 4: Simplify right side
    89,467.89x = 6,043,540,386.84
  5. Step 5: Solve for x
    x = 6,043,540,386.84/89,467.89
  6. Step 6: Final answer
    x = 67,549.82

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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.