Home / 102,328.42-141,217.45-57,006.37

Finding the Fourth Proportional to 102,328.42, 141,217.45 and 57,006.37

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Solution

The fourth proportional to 102,328.42, 141,217.45 and 57,006.37 is: 78,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,328.42 : 141,217.45 = 57,006.37 : x
  2. Step 2: Convert to fraction form
    102,328.42/141,217.45 = 57,006.37/x
  3. Step 3: Cross multiply
    102,328.42x = 141,217.45 × 57,006.37
  4. Step 4: Simplify right side
    102,328.42x = 8,050,294,700.72
  5. Step 5: Solve for x
    x = 8,050,294,700.72/102,328.42
  6. Step 6: Final answer
    x = 78,671.16

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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.