Home / 92,905.50-128,211.93-50,464.02

Finding the Fourth Proportional to 92,905.50, 128,211.93 and 50,464.02

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Solution

The fourth proportional to 92,905.50, 128,211.93 and 50,464.02 is: 69,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,905.50 : 128,211.93 = 50,464.02 : x
  2. Step 2: Convert to fraction form
    92,905.50/128,211.93 = 50,464.02/x
  3. Step 3: Cross multiply
    92,905.50x = 128,211.93 × 50,464.02
  4. Step 4: Simplify right side
    92,905.50x = 6,470,089,399.76
  5. Step 5: Solve for x
    x = 6,470,089,399.76/92,905.50
  6. Step 6: Final answer
    x = 69,641.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.