Home / 94,955.78-142,404.48-45,021.12

Finding the Fourth Proportional to 94,955.78, 142,404.48 and 45,021.12

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Solution

The fourth proportional to 94,955.78, 142,404.48 and 45,021.12 is: 67,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,955.78 : 142,404.48 = 45,021.12 : x
  2. Step 2: Convert to fraction form
    94,955.78/142,404.48 = 45,021.12/x
  3. Step 3: Cross multiply
    94,955.78x = 142,404.48 × 45,021.12
  4. Step 4: Simplify right side
    94,955.78x = 6,411,209,182.62
  5. Step 5: Solve for x
    x = 6,411,209,182.62/94,955.78
  6. Step 6: Final answer
    x = 67,517.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.