Home / 108,964.08-150,262.56-66,497.40

Finding the Fourth Proportional to 108,964.08, 150,262.56 and 66,497.40

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Solution

The fourth proportional to 108,964.08, 150,262.56 and 66,497.40 is: 91,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.08 : 150,262.56 = 66,497.40 : x
  2. Step 2: Convert to fraction form
    108,964.08/150,262.56 = 66,497.40/x
  3. Step 3: Cross multiply
    108,964.08x = 150,262.56 × 66,497.40
  4. Step 4: Simplify right side
    108,964.08x = 9,992,069,557.34
  5. Step 5: Solve for x
    x = 9,992,069,557.34/108,964.08
  6. Step 6: Final answer
    x = 91,700.58

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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.