Home / 66,852.09-92,252.61-40,009.32

Finding the Fourth Proportional to 66,852.09, 92,252.61 and 40,009.32

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Solution

The fourth proportional to 66,852.09, 92,252.61 and 40,009.32 is: 55,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,852.09 : 92,252.61 = 40,009.32 : x
  2. Step 2: Convert to fraction form
    66,852.09/92,252.61 = 40,009.32/x
  3. Step 3: Cross multiply
    66,852.09x = 92,252.61 × 40,009.32
  4. Step 4: Simplify right side
    66,852.09x = 3,690,964,194.33
  5. Step 5: Solve for x
    x = 3,690,964,194.33/66,852.09
  6. Step 6: Final answer
    x = 55,210.90

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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.