Home / 116,021.85-174,032.91-31,782.74

Finding the Fourth Proportional to 116,021.85, 174,032.91 and 31,782.74

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Solution

The fourth proportional to 116,021.85, 174,032.91 and 31,782.74 is: 47,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,021.85 : 174,032.91 = 31,782.74 : x
  2. Step 2: Convert to fraction form
    116,021.85/174,032.91 = 31,782.74/x
  3. Step 3: Cross multiply
    116,021.85x = 174,032.91 × 31,782.74
  4. Step 4: Simplify right side
    116,021.85x = 5,531,241,700.90
  5. Step 5: Solve for x
    x = 5,531,241,700.90/116,021.85
  6. Step 6: Final answer
    x = 47,674.14

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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.