Home / 102,586.52-141,568.84-57,261.88

Finding the Fourth Proportional to 102,586.52, 141,568.84 and 57,261.88

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Solution

The fourth proportional to 102,586.52, 141,568.84 and 57,261.88 is: 79,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,586.52 : 141,568.84 = 57,261.88 : x
  2. Step 2: Convert to fraction form
    102,586.52/141,568.84 = 57,261.88/x
  3. Step 3: Cross multiply
    102,586.52x = 141,568.84 × 57,261.88
  4. Step 4: Simplify right side
    102,586.52x = 8,106,497,927.82
  5. Step 5: Solve for x
    x = 8,106,497,927.82/102,586.52
  6. Step 6: Final answer
    x = 79,021.08

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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.