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Finding the Fourth Proportional to 90,032.40, 134,940.60 and 37,414.80

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Solution

The fourth proportional to 90,032.40, 134,940.60 and 37,414.80 is: 56,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,032.40 : 134,940.60 = 37,414.80 : x
  2. Step 2: Convert to fraction form
    90,032.40/134,940.60 = 37,414.80/x
  3. Step 3: Cross multiply
    90,032.40x = 134,940.60 × 37,414.80
  4. Step 4: Simplify right side
    90,032.40x = 5,048,775,560.88
  5. Step 5: Solve for x
    x = 5,048,775,560.88/90,032.40
  6. Step 6: Final answer
    x = 56,077.32

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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.