Home / 96,955.84-145,346.28-67,387.60

Finding the Fourth Proportional to 96,955.84, 145,346.28 and 67,387.60

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Solution

The fourth proportional to 96,955.84, 145,346.28 and 67,387.60 is: 101,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,955.84 : 145,346.28 = 67,387.60 : x
  2. Step 2: Convert to fraction form
    96,955.84/145,346.28 = 67,387.60/x
  3. Step 3: Cross multiply
    96,955.84x = 145,346.28 × 67,387.60
  4. Step 4: Simplify right side
    96,955.84x = 9,794,536,978.13
  5. Step 5: Solve for x
    x = 9,794,536,978.13/96,955.84
  6. Step 6: Final answer
    x = 101,020.60

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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.