Home / 116,708.90-174,782.70-66,637.23

Finding the Fourth Proportional to 116,708.90, 174,782.70 and 66,637.23

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Solution

The fourth proportional to 116,708.90, 174,782.70 and 66,637.23 is: 99,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,708.90 : 174,782.70 = 66,637.23 : x
  2. Step 2: Convert to fraction form
    116,708.90/174,782.70 = 66,637.23/x
  3. Step 3: Cross multiply
    116,708.90x = 174,782.70 × 66,637.23
  4. Step 4: Simplify right side
    116,708.90x = 11,647,034,979.92
  5. Step 5: Solve for x
    x = 11,647,034,979.92/116,708.90
  6. Step 6: Final answer
    x = 99,795.60

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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.