Home / 75,865.96-104,670.66-42,325.48

Finding the Fourth Proportional to 75,865.96, 104,670.66 and 42,325.48

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Solution

The fourth proportional to 75,865.96, 104,670.66 and 42,325.48 is: 58,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.96 : 104,670.66 = 42,325.48 : x
  2. Step 2: Convert to fraction form
    75,865.96/104,670.66 = 42,325.48/x
  3. Step 3: Cross multiply
    75,865.96x = 104,670.66 × 42,325.48
  4. Step 4: Simplify right side
    75,865.96x = 4,430,235,926.42
  5. Step 5: Solve for x
    x = 4,430,235,926.42/75,865.96
  6. Step 6: Final answer
    x = 58,395.57

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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.