Home / 76,354.41-105,364.29-46,121.85

Finding the Fourth Proportional to 76,354.41, 105,364.29 and 46,121.85

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Solution

The fourth proportional to 76,354.41, 105,364.29 and 46,121.85 is: 63,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,354.41 : 105,364.29 = 46,121.85 : x
  2. Step 2: Convert to fraction form
    76,354.41/105,364.29 = 46,121.85/x
  3. Step 3: Cross multiply
    76,354.41x = 105,364.29 × 46,121.85
  4. Step 4: Simplify right side
    76,354.41x = 4,859,595,978.74
  5. Step 5: Solve for x
    x = 4,859,595,978.74/76,354.41
  6. Step 6: Final answer
    x = 63,645.26

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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.