Home / 76,980.24-106,240.50-46,768.59

Finding the Fourth Proportional to 76,980.24, 106,240.50 and 46,768.59

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Solution

The fourth proportional to 76,980.24, 106,240.50 and 46,768.59 is: 64,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,980.24 : 106,240.50 = 46,768.59 : x
  2. Step 2: Convert to fraction form
    76,980.24/106,240.50 = 46,768.59/x
  3. Step 3: Cross multiply
    76,980.24x = 106,240.50 × 46,768.59
  4. Step 4: Simplify right side
    76,980.24x = 4,968,718,385.90
  5. Step 5: Solve for x
    x = 4,968,718,385.90/76,980.24
  6. Step 6: Final answer
    x = 64,545.37

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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.