Home / 99,254.86-136,969.30-55,644.52

Finding the Fourth Proportional to 99,254.86, 136,969.30 and 55,644.52

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Solution

The fourth proportional to 99,254.86, 136,969.30 and 55,644.52 is: 76,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,254.86 : 136,969.30 = 55,644.52 : x
  2. Step 2: Convert to fraction form
    99,254.86/136,969.30 = 55,644.52/x
  3. Step 3: Cross multiply
    99,254.86x = 136,969.30 × 55,644.52
  4. Step 4: Simplify right side
    99,254.86x = 7,621,590,953.24
  5. Step 5: Solve for x
    x = 7,621,590,953.24/99,254.86
  6. Step 6: Final answer
    x = 76,788.09

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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.