Home / 75,615.40-104,325.76-42,904.41

Finding the Fourth Proportional to 75,615.40, 104,325.76 and 42,904.41

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Solution

The fourth proportional to 75,615.40, 104,325.76 and 42,904.41 is: 59,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,615.40 : 104,325.76 = 42,904.41 : x
  2. Step 2: Convert to fraction form
    75,615.40/104,325.76 = 42,904.41/x
  3. Step 3: Cross multiply
    75,615.40x = 104,325.76 × 42,904.41
  4. Step 4: Simplify right side
    75,615.40x = 4,476,035,180.60
  5. Step 5: Solve for x
    x = 4,476,035,180.60/75,615.40
  6. Step 6: Final answer
    x = 59,194.76

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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.