Home / 88,239.64-121,771.02-47,953.48

Finding the Fourth Proportional to 88,239.64, 121,771.02 and 47,953.48

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Solution

The fourth proportional to 88,239.64, 121,771.02 and 47,953.48 is: 66,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.64 : 121,771.02 = 47,953.48 : x
  2. Step 2: Convert to fraction form
    88,239.64/121,771.02 = 47,953.48/x
  3. Step 3: Cross multiply
    88,239.64x = 121,771.02 × 47,953.48
  4. Step 4: Simplify right side
    88,239.64x = 5,839,344,172.15
  5. Step 5: Solve for x
    x = 5,839,344,172.15/88,239.64
  6. Step 6: Final answer
    x = 66,175.97

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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.