Home / 66,822.74-92,215.37-39,965.25

Finding the Fourth Proportional to 66,822.74, 92,215.37 and 39,965.25

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Solution

The fourth proportional to 66,822.74, 92,215.37 and 39,965.25 is: 55,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822.74 : 92,215.37 = 39,965.25 : x
  2. Step 2: Convert to fraction form
    66,822.74/92,215.37 = 39,965.25/x
  3. Step 3: Cross multiply
    66,822.74x = 92,215.37 × 39,965.25
  4. Step 4: Simplify right side
    66,822.74x = 3,685,410,415.81
  5. Step 5: Solve for x
    x = 3,685,410,415.81/66,822.74
  6. Step 6: Final answer
    x = 55,152.04

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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.