Home / 76,035.34-114,071.60-53,589.79

Finding the Fourth Proportional to 76,035.34, 114,071.60 and 53,589.79

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Solution

The fourth proportional to 76,035.34, 114,071.60 and 53,589.79 is: 80,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.34 : 114,071.60 = 53,589.79 : x
  2. Step 2: Convert to fraction form
    76,035.34/114,071.60 = 53,589.79/x
  3. Step 3: Cross multiply
    76,035.34x = 114,071.60 × 53,589.79
  4. Step 4: Simplify right side
    76,035.34x = 6,113,073,088.96
  5. Step 5: Solve for x
    x = 6,113,073,088.96/76,035.34
  6. Step 6: Final answer
    x = 80,397.79

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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.