Home / 87,283.98-130,744.31-55,536.77

Finding the Fourth Proportional to 87,283.98, 130,744.31 and 55,536.77

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Solution

The fourth proportional to 87,283.98, 130,744.31 and 55,536.77 is: 83,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,283.98 : 130,744.31 = 55,536.77 : x
  2. Step 2: Convert to fraction form
    87,283.98/130,744.31 = 55,536.77/x
  3. Step 3: Cross multiply
    87,283.98x = 130,744.31 × 55,536.77
  4. Step 4: Simplify right side
    87,283.98x = 7,261,116,722.46
  5. Step 5: Solve for x
    x = 7,261,116,722.46/87,283.98
  6. Step 6: Final answer
    x = 83,189.57

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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.