Home / 89,034.18-133,512.18-26,690.10

Finding the Fourth Proportional to 89,034.18, 133,512.18 and 26,690.10

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Solution

The fourth proportional to 89,034.18, 133,512.18 and 26,690.10 is: 40,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,034.18 : 133,512.18 = 26,690.10 : x
  2. Step 2: Convert to fraction form
    89,034.18/133,512.18 = 26,690.10/x
  3. Step 3: Cross multiply
    89,034.18x = 133,512.18 × 26,690.10
  4. Step 4: Simplify right side
    89,034.18x = 3,563,453,435.42
  5. Step 5: Solve for x
    x = 3,563,453,435.42/89,034.18
  6. Step 6: Final answer
    x = 40,023.43

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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.