Home / 88,241.02-121,771.46-47,953.78

Finding the Fourth Proportional to 88,241.02, 121,771.46 and 47,953.78

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Solution

The fourth proportional to 88,241.02, 121,771.46 and 47,953.78 is: 66,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,241.02 : 121,771.46 = 47,953.78 : x
  2. Step 2: Convert to fraction form
    88,241.02/121,771.46 = 47,953.78/x
  3. Step 3: Cross multiply
    88,241.02x = 121,771.46 × 47,953.78
  4. Step 4: Simplify right side
    88,241.02x = 5,839,401,803.12
  5. Step 5: Solve for x
    x = 5,839,401,803.12/88,241.02
  6. Step 6: Final answer
    x = 66,175.59

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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.