Home / 116,693.40-175,023.66-66,611.10

Finding the Fourth Proportional to 116,693.40, 175,023.66 and 66,611.10

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Solution

The fourth proportional to 116,693.40, 175,023.66 and 66,611.10 is: 99,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,693.40 : 175,023.66 = 66,611.10 : x
  2. Step 2: Convert to fraction form
    116,693.40/175,023.66 = 66,611.10/x
  3. Step 3: Cross multiply
    116,693.40x = 175,023.66 × 66,611.10
  4. Step 4: Simplify right side
    116,693.40x = 11,658,518,518.63
  5. Step 5: Solve for x
    x = 11,658,518,518.63/116,693.40
  6. Step 6: Final answer
    x = 99,907.27

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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.