Home / 102,566.81-141,549.30-57,253.61

Finding the Fourth Proportional to 102,566.81, 141,549.30 and 57,253.61

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Solution

The fourth proportional to 102,566.81, 141,549.30 and 57,253.61 is: 79,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,566.81 : 141,549.30 = 57,253.61 : x
  2. Step 2: Convert to fraction form
    102,566.81/141,549.30 = 57,253.61/x
  3. Step 3: Cross multiply
    102,566.81x = 141,549.30 × 57,253.61
  4. Step 4: Simplify right side
    102,566.81x = 8,104,208,771.85
  5. Step 5: Solve for x
    x = 8,104,208,771.85/102,566.81
  6. Step 6: Final answer
    x = 79,013.95

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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.