Home / 102,664.67-141,675.74-57,343.32

Finding the Fourth Proportional to 102,664.67, 141,675.74 and 57,343.32

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Solution

The fourth proportional to 102,664.67, 141,675.74 and 57,343.32 is: 79,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,664.67 : 141,675.74 = 57,343.32 : x
  2. Step 2: Convert to fraction form
    102,664.67/141,675.74 = 57,343.32/x
  3. Step 3: Cross multiply
    102,664.67x = 141,675.74 × 57,343.32
  4. Step 4: Simplify right side
    102,664.67x = 8,124,156,986.19
  5. Step 5: Solve for x
    x = 8,124,156,986.19/102,664.67
  6. Step 6: Final answer
    x = 79,132.94

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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.