Home / 66,729.02-92,102.47-39,887.44

Finding the Fourth Proportional to 66,729.02, 92,102.47 and 39,887.44

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Solution

The fourth proportional to 66,729.02, 92,102.47 and 39,887.44 is: 55,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,729.02 : 92,102.47 = 39,887.44 : x
  2. Step 2: Convert to fraction form
    66,729.02/92,102.47 = 39,887.44/x
  3. Step 3: Cross multiply
    66,729.02x = 92,102.47 × 39,887.44
  4. Step 4: Simplify right side
    66,729.02x = 3,673,731,416.00
  5. Step 5: Solve for x
    x = 3,673,731,416.00/66,729.02
  6. Step 6: Final answer
    x = 55,054.48

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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.