Home / 102,884.40-141,974.69-56,941.55

Finding the Fourth Proportional to 102,884.40, 141,974.69 and 56,941.55

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Solution

The fourth proportional to 102,884.40, 141,974.69 and 56,941.55 is: 78,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884.40 : 141,974.69 = 56,941.55 : x
  2. Step 2: Convert to fraction form
    102,884.40/141,974.69 = 56,941.55/x
  3. Step 3: Cross multiply
    102,884.40x = 141,974.69 × 56,941.55
  4. Step 4: Simplify right side
    102,884.40x = 8,084,257,914.79
  5. Step 5: Solve for x
    x = 8,084,257,914.79/102,884.40
  6. Step 6: Final answer
    x = 78,576.13

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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.