Home / 88,056.18-121,514.18-47,768.54

Finding the Fourth Proportional to 88,056.18, 121,514.18 and 47,768.54

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Solution

The fourth proportional to 88,056.18, 121,514.18 and 47,768.54 is: 65,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,056.18 : 121,514.18 = 47,768.54 : x
  2. Step 2: Convert to fraction form
    88,056.18/121,514.18 = 47,768.54/x
  3. Step 3: Cross multiply
    88,056.18x = 121,514.18 × 47,768.54
  4. Step 4: Simplify right side
    88,056.18x = 5,804,554,121.48
  5. Step 5: Solve for x
    x = 5,804,554,121.48/88,056.18
  6. Step 6: Final answer
    x = 65,918.76

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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.