Home / 89,090.04-122,942.70-48,804.60

Finding the Fourth Proportional to 89,090.04, 122,942.70 and 48,804.60

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Solution

The fourth proportional to 89,090.04, 122,942.70 and 48,804.60 is: 67,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.04 : 122,942.70 = 48,804.60 : x
  2. Step 2: Convert to fraction form
    89,090.04/122,942.70 = 48,804.60/x
  3. Step 3: Cross multiply
    89,090.04x = 122,942.70 × 48,804.60
  4. Step 4: Simplify right side
    89,090.04x = 6,000,169,296.42
  5. Step 5: Solve for x
    x = 6,000,169,296.42/89,090.04
  6. Step 6: Final answer
    x = 67,349.50

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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.