Home / 94,821.15-130,879.26-58,989.79

Finding the Fourth Proportional to 94,821.15, 130,879.26 and 58,989.79

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Solution

The fourth proportional to 94,821.15, 130,879.26 and 58,989.79 is: 81,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,821.15 : 130,879.26 = 58,989.79 : x
  2. Step 2: Convert to fraction form
    94,821.15/130,879.26 = 58,989.79/x
  3. Step 3: Cross multiply
    94,821.15x = 130,879.26 × 58,989.79
  4. Step 4: Simplify right side
    94,821.15x = 7,720,540,062.76
  5. Step 5: Solve for x
    x = 7,720,540,062.76/94,821.15
  6. Step 6: Final answer
    x = 81,422.13

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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.