Home / 89,060.46-122,986.68-57,284.52

Finding the Fourth Proportional to 89,060.46, 122,986.68 and 57,284.52

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Solution

The fourth proportional to 89,060.46, 122,986.68 and 57,284.52 is: 79,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,060.46 : 122,986.68 = 57,284.52 : x
  2. Step 2: Convert to fraction form
    89,060.46/122,986.68 = 57,284.52/x
  3. Step 3: Cross multiply
    89,060.46x = 122,986.68 × 57,284.52
  4. Step 4: Simplify right side
    89,060.46x = 7,045,232,930.19
  5. Step 5: Solve for x
    x = 7,045,232,930.19/89,060.46
  6. Step 6: Final answer
    x = 79,106.18

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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.