Home / 71,983.60-99,283.80-52,857.37

Finding the Fourth Proportional to 71,983.60, 99,283.80 and 52,857.37

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Solution

The fourth proportional to 71,983.60, 99,283.80 and 52,857.37 is: 72,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,983.60 : 99,283.80 = 52,857.37 : x
  2. Step 2: Convert to fraction form
    71,983.60/99,283.80 = 52,857.37/x
  3. Step 3: Cross multiply
    71,983.60x = 99,283.80 × 52,857.37
  4. Step 4: Simplify right side
    71,983.60x = 5,247,880,303.40
  5. Step 5: Solve for x
    x = 5,247,880,303.40/71,983.60
  6. Step 6: Final answer
    x = 72,903.83

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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.