Home / 78,435.18-108,231.93-44,441.10

Finding the Fourth Proportional to 78,435.18, 108,231.93 and 44,441.10

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Solution

The fourth proportional to 78,435.18, 108,231.93 and 44,441.10 is: 61,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,435.18 : 108,231.93 = 44,441.10 : x
  2. Step 2: Convert to fraction form
    78,435.18/108,231.93 = 44,441.10/x
  3. Step 3: Cross multiply
    78,435.18x = 108,231.93 × 44,441.10
  4. Step 4: Simplify right side
    78,435.18x = 4,809,946,024.32
  5. Step 5: Solve for x
    x = 4,809,946,024.32/78,435.18
  6. Step 6: Final answer
    x = 61,323.83

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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.