Home / 83,529.94-115,277.98-47,239.04

Finding the Fourth Proportional to 83,529.94, 115,277.98 and 47,239.04

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Solution

The fourth proportional to 83,529.94, 115,277.98 and 47,239.04 is: 65,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,529.94 : 115,277.98 = 47,239.04 : x
  2. Step 2: Convert to fraction form
    83,529.94/115,277.98 = 47,239.04/x
  3. Step 3: Cross multiply
    83,529.94x = 115,277.98 × 47,239.04
  4. Step 4: Simplify right side
    83,529.94x = 5,445,621,108.34
  5. Step 5: Solve for x
    x = 5,445,621,108.34/83,529.94
  6. Step 6: Final answer
    x = 65,193.64

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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.