Home / 124,943.84-172,426.64-68,355.24

Finding the Fourth Proportional to 124,943.84, 172,426.64 and 68,355.24

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Solution

The fourth proportional to 124,943.84, 172,426.64 and 68,355.24 is: 94,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,943.84 : 172,426.64 = 68,355.24 : x
  2. Step 2: Convert to fraction form
    124,943.84/172,426.64 = 68,355.24/x
  3. Step 3: Cross multiply
    124,943.84x = 172,426.64 × 68,355.24
  4. Step 4: Simplify right side
    124,943.84x = 11,786,264,359.59
  5. Step 5: Solve for x
    x = 11,786,264,359.59/124,943.84
  6. Step 6: Final answer
    x = 94,332.50

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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.