Home / 78,991.37-109,008.81-44,999.35

Finding the Fourth Proportional to 78,991.37, 109,008.81 and 44,999.35

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Solution

The fourth proportional to 78,991.37, 109,008.81 and 44,999.35 is: 62,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,991.37 : 109,008.81 = 44,999.35 : x
  2. Step 2: Convert to fraction form
    78,991.37/109,008.81 = 44,999.35/x
  3. Step 3: Cross multiply
    78,991.37x = 109,008.81 × 44,999.35
  4. Step 4: Simplify right side
    78,991.37x = 4,905,325,594.27
  5. Step 5: Solve for x
    x = 4,905,325,594.27/78,991.37
  6. Step 6: Final answer
    x = 62,099.51

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1.5x scale

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.