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Finding the Fourth Proportional to 66,893.94, 100,373.52 and 29,449.26

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Solution

The fourth proportional to 66,893.94, 100,373.52 and 29,449.26 is: 44,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893.94 : 100,373.52 = 29,449.26 : x
  2. Step 2: Convert to fraction form
    66,893.94/100,373.52 = 29,449.26/x
  3. Step 3: Cross multiply
    66,893.94x = 100,373.52 × 29,449.26
  4. Step 4: Simplify right side
    66,893.94x = 2,955,925,887.60
  5. Step 5: Solve for x
    x = 2,955,925,887.60/66,893.94
  6. Step 6: Final answer
    x = 44,188.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.