Home / 102,663.44-141,674.06-57,342.08

Finding the Fourth Proportional to 102,663.44, 141,674.06 and 57,342.08

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Solution

The fourth proportional to 102,663.44, 141,674.06 and 57,342.08 is: 79,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,663.44 : 141,674.06 = 57,342.08 : x
  2. Step 2: Convert to fraction form
    102,663.44/141,674.06 = 57,342.08/x
  3. Step 3: Cross multiply
    102,663.44x = 141,674.06 × 57,342.08
  4. Step 4: Simplify right side
    102,663.44x = 8,123,885,779.99
  5. Step 5: Solve for x
    x = 8,123,885,779.99/102,663.44
  6. Step 6: Final answer
    x = 79,131.25

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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.