Home / 116,051.85-173,782.35-76,489.02

Finding the Fourth Proportional to 116,051.85, 173,782.35 and 76,489.02

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Solution

The fourth proportional to 116,051.85, 173,782.35 and 76,489.02 is: 114,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,051.85 : 173,782.35 = 76,489.02 : x
  2. Step 2: Convert to fraction form
    116,051.85/173,782.35 = 76,489.02/x
  3. Step 3: Cross multiply
    116,051.85x = 173,782.35 × 76,489.02
  4. Step 4: Simplify right side
    116,051.85x = 13,292,441,644.80
  5. Step 5: Solve for x
    x = 13,292,441,644.80/116,051.85
  6. Step 6: Final answer
    x = 114,538.82

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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.