Home / 94,788.61-130,825.07-54,499.21

Finding the Fourth Proportional to 94,788.61, 130,825.07 and 54,499.21

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Solution

The fourth proportional to 94,788.61, 130,825.07 and 54,499.21 is: 75,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,788.61 : 130,825.07 = 54,499.21 : x
  2. Step 2: Convert to fraction form
    94,788.61/130,825.07 = 54,499.21/x
  3. Step 3: Cross multiply
    94,788.61x = 130,825.07 × 54,499.21
  4. Step 4: Simplify right side
    94,788.61x = 7,129,862,963.19
  5. Step 5: Solve for x
    x = 7,129,862,963.19/94,788.61
  6. Step 6: Final answer
    x = 75,218.56

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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.