Home / 78,941.42-118,458.80-29,056.56

Finding the Fourth Proportional to 78,941.42, 118,458.80 and 29,056.56

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Solution

The fourth proportional to 78,941.42, 118,458.80 and 29,056.56 is: 43,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941.42 : 118,458.80 = 29,056.56 : x
  2. Step 2: Convert to fraction form
    78,941.42/118,458.80 = 29,056.56/x
  3. Step 3: Cross multiply
    78,941.42x = 118,458.80 × 29,056.56
  4. Step 4: Simplify right side
    78,941.42x = 3,442,004,912.63
  5. Step 5: Solve for x
    x = 3,442,004,912.63/78,941.42
  6. Step 6: Final answer
    x = 43,602.01

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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.