Home / 83,566.77-115,323.71-51,285.22

Finding the Fourth Proportional to 83,566.77, 115,323.71 and 51,285.22

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Solution

The fourth proportional to 83,566.77, 115,323.71 and 51,285.22 is: 70,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,566.77 : 115,323.71 = 51,285.22 : x
  2. Step 2: Convert to fraction form
    83,566.77/115,323.71 = 51,285.22/x
  3. Step 3: Cross multiply
    83,566.77x = 115,323.71 × 51,285.22
  4. Step 4: Simplify right side
    83,566.77x = 5,914,401,838.57
  5. Step 5: Solve for x
    x = 5,914,401,838.57/83,566.77
  6. Step 6: Final answer
    x = 70,774.57

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1.5x scale

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.