Home / 76,374.06-114,604.80-42,668.34

Finding the Fourth Proportional to 76,374.06, 114,604.80 and 42,668.34

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Solution

The fourth proportional to 76,374.06, 114,604.80 and 42,668.34 is: 64,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374.06 : 114,604.80 = 42,668.34 : x
  2. Step 2: Convert to fraction form
    76,374.06/114,604.80 = 42,668.34/x
  3. Step 3: Cross multiply
    76,374.06x = 114,604.80 × 42,668.34
  4. Step 4: Simplify right side
    76,374.06x = 4,889,996,572.03
  5. Step 5: Solve for x
    x = 4,889,996,572.03/76,374.06
  6. Step 6: Final answer
    x = 64,026.93

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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.