Home / 75,975.54-113,885.48-38,466.06

Finding the Fourth Proportional to 75,975.54, 113,885.48 and 38,466.06

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Solution

The fourth proportional to 75,975.54, 113,885.48 and 38,466.06 is: 57,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,975.54 : 113,885.48 = 38,466.06 : x
  2. Step 2: Convert to fraction form
    75,975.54/113,885.48 = 38,466.06/x
  3. Step 3: Cross multiply
    75,975.54x = 113,885.48 × 38,466.06
  4. Step 4: Simplify right side
    75,975.54x = 4,380,725,706.81
  5. Step 5: Solve for x
    x = 4,380,725,706.81/75,975.54
  6. Step 6: Final answer
    x = 57,659.69

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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.