Home / 116,430.82-174,650.33-45,358.78

Finding the Fourth Proportional to 116,430.82, 174,650.33 and 45,358.78

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Solution

The fourth proportional to 116,430.82, 174,650.33 and 45,358.78 is: 68,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,430.82 : 174,650.33 = 45,358.78 : x
  2. Step 2: Convert to fraction form
    116,430.82/174,650.33 = 45,358.78/x
  3. Step 3: Cross multiply
    116,430.82x = 174,650.33 × 45,358.78
  4. Step 4: Simplify right side
    116,430.82x = 7,921,925,895.40
  5. Step 5: Solve for x
    x = 7,921,925,895.40/116,430.82
  6. Step 6: Final answer
    x = 68,039.77

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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.