Home / 83,981.26-115,888.82-46,255.51

Finding the Fourth Proportional to 83,981.26, 115,888.82 and 46,255.51

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Solution

The fourth proportional to 83,981.26, 115,888.82 and 46,255.51 is: 63,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,981.26 : 115,888.82 = 46,255.51 : x
  2. Step 2: Convert to fraction form
    83,981.26/115,888.82 = 46,255.51/x
  3. Step 3: Cross multiply
    83,981.26x = 115,888.82 × 46,255.51
  4. Step 4: Simplify right side
    83,981.26x = 5,360,496,472.40
  5. Step 5: Solve for x
    x = 5,360,496,472.40/83,981.26
  6. Step 6: Final answer
    x = 63,829.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.