Home / 116,830.64-175,611.75-77,104.91

Finding the Fourth Proportional to 116,830.64, 175,611.75 and 77,104.91

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Solution

The fourth proportional to 116,830.64, 175,611.75 and 77,104.91 is: 115,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,830.64 : 175,611.75 = 77,104.91 : x
  2. Step 2: Convert to fraction form
    116,830.64/175,611.75 = 77,104.91/x
  3. Step 3: Cross multiply
    116,830.64x = 175,611.75 × 77,104.91
  4. Step 4: Simplify right side
    116,830.64x = 13,540,528,816.51
  5. Step 5: Solve for x
    x = 13,540,528,816.51/116,830.64
  6. Step 6: Final answer
    x = 115,898.78

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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.