Home / 113,955.12-170,599.68-66,425.04

Finding the Fourth Proportional to 113,955.12, 170,599.68 and 66,425.04

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Solution

The fourth proportional to 113,955.12, 170,599.68 and 66,425.04 is: 99,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,955.12 : 170,599.68 = 66,425.04 : x
  2. Step 2: Convert to fraction form
    113,955.12/170,599.68 = 66,425.04/x
  3. Step 3: Cross multiply
    113,955.12x = 170,599.68 × 66,425.04
  4. Step 4: Simplify right side
    113,955.12x = 11,332,090,567.99
  5. Step 5: Solve for x
    x = 11,332,090,567.99/113,955.12
  6. Step 6: Final answer
    x = 99,443.45

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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.