Home / 124,935.57-172,415.16-68,346.95

Finding the Fourth Proportional to 124,935.57, 172,415.16 and 68,346.95

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Solution

The fourth proportional to 124,935.57, 172,415.16 and 68,346.95 is: 94,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,935.57 : 172,415.16 = 68,346.95 : x
  2. Step 2: Convert to fraction form
    124,935.57/172,415.16 = 68,346.95/x
  3. Step 3: Cross multiply
    124,935.57x = 172,415.16 × 68,346.95
  4. Step 4: Simplify right side
    124,935.57x = 11,784,049,457.69
  5. Step 5: Solve for x
    x = 11,784,049,457.69/124,935.57
  6. Step 6: Final answer
    x = 94,321.01

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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.