Home / 75,044.42-112,485.60-48,768.02

Finding the Fourth Proportional to 75,044.42, 112,485.60 and 48,768.02

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Solution

The fourth proportional to 75,044.42, 112,485.60 and 48,768.02 is: 73,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,044.42 : 112,485.60 = 48,768.02 : x
  2. Step 2: Convert to fraction form
    75,044.42/112,485.60 = 48,768.02/x
  3. Step 3: Cross multiply
    75,044.42x = 112,485.60 × 48,768.02
  4. Step 4: Simplify right side
    75,044.42x = 5,485,699,990.51
  5. Step 5: Solve for x
    x = 5,485,699,990.51/75,044.42
  6. Step 6: Final answer
    x = 73,099.37

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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.