Home / 76,057.04-104,955.72-42,063.28

Finding the Fourth Proportional to 76,057.04, 104,955.72 and 42,063.28

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Solution

The fourth proportional to 76,057.04, 104,955.72 and 42,063.28 is: 58,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,057.04 : 104,955.72 = 42,063.28 : x
  2. Step 2: Convert to fraction form
    76,057.04/104,955.72 = 42,063.28/x
  3. Step 3: Cross multiply
    76,057.04x = 104,955.72 × 42,063.28
  4. Step 4: Simplify right side
    76,057.04x = 4,414,781,837.96
  5. Step 5: Solve for x
    x = 4,414,781,837.96/76,057.04
  6. Step 6: Final answer
    x = 58,045.67

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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.