Home / 76,147.18-105,072.78-44,291.50

Finding the Fourth Proportional to 76,147.18, 105,072.78 and 44,291.50

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Solution

The fourth proportional to 76,147.18, 105,072.78 and 44,291.50 is: 61,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,147.18 : 105,072.78 = 44,291.50 : x
  2. Step 2: Convert to fraction form
    76,147.18/105,072.78 = 44,291.50/x
  3. Step 3: Cross multiply
    76,147.18x = 105,072.78 × 44,291.50
  4. Step 4: Simplify right side
    76,147.18x = 4,653,831,035.37
  5. Step 5: Solve for x
    x = 4,653,831,035.37/76,147.18
  6. Step 6: Final answer
    x = 61,116.26

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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.