Home / 78,705.23-108,617.05-44,260.80

Finding the Fourth Proportional to 78,705.23, 108,617.05 and 44,260.80

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Solution

The fourth proportional to 78,705.23, 108,617.05 and 44,260.80 is: 61,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,705.23 : 108,617.05 = 44,260.80 : x
  2. Step 2: Convert to fraction form
    78,705.23/108,617.05 = 44,260.80/x
  3. Step 3: Cross multiply
    78,705.23x = 108,617.05 × 44,260.80
  4. Step 4: Simplify right side
    78,705.23x = 4,807,477,174.65
  5. Step 5: Solve for x
    x = 4,807,477,174.65/78,705.23
  6. Step 6: Final answer
    x = 61,082.06

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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.