Home / 76,619.81-114,828.53-58,782.32

Finding the Fourth Proportional to 76,619.81, 114,828.53 and 58,782.32

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Solution

The fourth proportional to 76,619.81, 114,828.53 and 58,782.32 is: 88,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,619.81 : 114,828.53 = 58,782.32 : x
  2. Step 2: Convert to fraction form
    76,619.81/114,828.53 = 58,782.32/x
  3. Step 3: Cross multiply
    76,619.81x = 114,828.53 × 58,782.32
  4. Step 4: Simplify right side
    76,619.81x = 6,749,886,527.54
  5. Step 5: Solve for x
    x = 6,749,886,527.54/76,619.81
  6. Step 6: Final answer
    x = 88,095.85

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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.