Home / 93,485.32-140,018.85-43,490.50

Finding the Fourth Proportional to 93,485.32, 140,018.85 and 43,490.50

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Solution

The fourth proportional to 93,485.32, 140,018.85 and 43,490.50 is: 65,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,485.32 : 140,018.85 = 43,490.50 : x
  2. Step 2: Convert to fraction form
    93,485.32/140,018.85 = 43,490.50/x
  3. Step 3: Cross multiply
    93,485.32x = 140,018.85 × 43,490.50
  4. Step 4: Simplify right side
    93,485.32x = 6,089,489,445.88
  5. Step 5: Solve for x
    x = 6,089,489,445.88/93,485.32
  6. Step 6: Final answer
    x = 65,138.46

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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.