Home / 94,821.48-130,879.68-58,990.11

Finding the Fourth Proportional to 94,821.48, 130,879.68 and 58,990.11

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Solution

The fourth proportional to 94,821.48, 130,879.68 and 58,990.11 is: 81,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,821.48 : 130,879.68 = 58,990.11 : x
  2. Step 2: Convert to fraction form
    94,821.48/130,879.68 = 58,990.11/x
  3. Step 3: Cross multiply
    94,821.48x = 130,879.68 × 58,990.11
  4. Step 4: Simplify right side
    94,821.48x = 7,720,606,719.96
  5. Step 5: Solve for x
    x = 7,720,606,719.96/94,821.48
  6. Step 6: Final answer
    x = 81,422.55

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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.