Home / 116,310.28-174,517.26-42,421

Finding the Fourth Proportional to 116,310.28, 174,517.26 and 42,421

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Solution

The fourth proportional to 116,310.28, 174,517.26 and 42,421 is: 63,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,310.28 : 174,517.26 = 42,421 : x
  2. Step 2: Convert to fraction form
    116,310.28/174,517.26 = 42,421/x
  3. Step 3: Cross multiply
    116,310.28x = 174,517.26 × 42,421
  4. Step 4: Simplify right side
    116,310.28x = 7,403,196,686.46
  5. Step 5: Solve for x
    x = 7,403,196,686.46/116,310.28
  6. Step 6: Final answer
    x = 63,650.41

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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.