Home / 99,030.94-136,662.92-56,589.37

Finding the Fourth Proportional to 99,030.94, 136,662.92 and 56,589.37

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Solution

The fourth proportional to 99,030.94, 136,662.92 and 56,589.37 is: 78,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030.94 : 136,662.92 = 56,589.37 : x
  2. Step 2: Convert to fraction form
    99,030.94/136,662.92 = 56,589.37/x
  3. Step 3: Cross multiply
    99,030.94x = 136,662.92 × 56,589.37
  4. Step 4: Simplify right side
    99,030.94x = 7,733,668,132.77
  5. Step 5: Solve for x
    x = 7,733,668,132.77/99,030.94
  6. Step 6: Final answer
    x = 78,093.46

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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.