Home / 102,811.84-141,719.88-94,563.36

Finding the Fourth Proportional to 102,811.84, 141,719.88 and 94,563.36

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Solution

The fourth proportional to 102,811.84, 141,719.88 and 94,563.36 is: 130,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,811.84 : 141,719.88 = 94,563.36 : x
  2. Step 2: Convert to fraction form
    102,811.84/141,719.88 = 94,563.36/x
  3. Step 3: Cross multiply
    102,811.84x = 141,719.88 × 94,563.36
  4. Step 4: Simplify right side
    102,811.84x = 13,401,508,031.60
  5. Step 5: Solve for x
    x = 13,401,508,031.60/102,811.84
  6. Step 6: Final answer
    x = 130,349.85

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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.