Home / 77,848.89-116,914.28-71,597.72

Finding the Fourth Proportional to 77,848.89, 116,914.28 and 71,597.72

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Solution

The fourth proportional to 77,848.89, 116,914.28 and 71,597.72 is: 107,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.89 : 116,914.28 = 71,597.72 : x
  2. Step 2: Convert to fraction form
    77,848.89/116,914.28 = 71,597.72/x
  3. Step 3: Cross multiply
    77,848.89x = 116,914.28 × 71,597.72
  4. Step 4: Simplify right side
    77,848.89x = 8,370,794,940.88
  5. Step 5: Solve for x
    x = 8,370,794,940.88/77,848.89
  6. Step 6: Final answer
    x = 107,526.20

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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.