Home / 102,339.74-141,239.22-57,025.10

Finding the Fourth Proportional to 102,339.74, 141,239.22 and 57,025.10

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Solution

The fourth proportional to 102,339.74, 141,239.22 and 57,025.10 is: 78,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,339.74 : 141,239.22 = 57,025.10 : x
  2. Step 2: Convert to fraction form
    102,339.74/141,239.22 = 57,025.10/x
  3. Step 3: Cross multiply
    102,339.74x = 141,239.22 × 57,025.10
  4. Step 4: Simplify right side
    102,339.74x = 8,054,180,644.42
  5. Step 5: Solve for x
    x = 8,054,180,644.42/102,339.74
  6. Step 6: Final answer
    x = 78,700.42

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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.