Home / 116,726.40-175,089.60-54,403.20

Finding the Fourth Proportional to 116,726.40, 175,089.60 and 54,403.20

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Solution

The fourth proportional to 116,726.40, 175,089.60 and 54,403.20 is: 81,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,726.40 : 175,089.60 = 54,403.20 : x
  2. Step 2: Convert to fraction form
    116,726.40/175,089.60 = 54,403.20/x
  3. Step 3: Cross multiply
    116,726.40x = 175,089.60 × 54,403.20
  4. Step 4: Simplify right side
    116,726.40x = 9,525,434,526.72
  5. Step 5: Solve for x
    x = 9,525,434,526.72/116,726.40
  6. Step 6: Final answer
    x = 81,604.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.