Home / 76,389.54-105,396.03-49,533.18

Finding the Fourth Proportional to 76,389.54, 105,396.03 and 49,533.18

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Solution

The fourth proportional to 76,389.54, 105,396.03 and 49,533.18 is: 68,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,389.54 : 105,396.03 = 49,533.18 : x
  2. Step 2: Convert to fraction form
    76,389.54/105,396.03 = 49,533.18/x
  3. Step 3: Cross multiply
    76,389.54x = 105,396.03 × 49,533.18
  4. Step 4: Simplify right side
    76,389.54x = 5,220,600,525.28
  5. Step 5: Solve for x
    x = 5,220,600,525.28/76,389.54
  6. Step 6: Final answer
    x = 68,341.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.