Home / 58,828.37-81,179.78-31,970.66

Finding the Fourth Proportional to 58,828.37, 81,179.78 and 31,970.66

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Solution

The fourth proportional to 58,828.37, 81,179.78 and 31,970.66 is: 44,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,828.37 : 81,179.78 = 31,970.66 : x
  2. Step 2: Convert to fraction form
    58,828.37/81,179.78 = 31,970.66/x
  3. Step 3: Cross multiply
    58,828.37x = 81,179.78 × 31,970.66
  4. Step 4: Simplify right side
    58,828.37x = 2,595,370,579.50
  5. Step 5: Solve for x
    x = 2,595,370,579.50/58,828.37
  6. Step 6: Final answer
    x = 44,117.67

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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.