Home / 102,351.27-141,242.63-57,029.07

Finding the Fourth Proportional to 102,351.27, 141,242.63 and 57,029.07

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Solution

The fourth proportional to 102,351.27, 141,242.63 and 57,029.07 is: 78,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,351.27 : 141,242.63 = 57,029.07 : x
  2. Step 2: Convert to fraction form
    102,351.27/141,242.63 = 57,029.07/x
  3. Step 3: Cross multiply
    102,351.27x = 141,242.63 × 57,029.07
  4. Step 4: Simplify right side
    102,351.27x = 8,054,935,548.11
  5. Step 5: Solve for x
    x = 8,054,935,548.11/102,351.27
  6. Step 6: Final answer
    x = 78,698.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.