Home / 72,905.04-100,609.92-44,626.32

Finding the Fourth Proportional to 72,905.04, 100,609.92 and 44,626.32

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Solution

The fourth proportional to 72,905.04, 100,609.92 and 44,626.32 is: 61,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,905.04 : 100,609.92 = 44,626.32 : x
  2. Step 2: Convert to fraction form
    72,905.04/100,609.92 = 44,626.32/x
  3. Step 3: Cross multiply
    72,905.04x = 100,609.92 × 44,626.32
  4. Step 4: Simplify right side
    72,905.04x = 4,489,850,485.09
  5. Step 5: Solve for x
    x = 4,489,850,485.09/72,905.04
  6. Step 6: Final answer
    x = 61,584.91

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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.