Home / 75,715.88-104,490.07-42,184.04

Finding the Fourth Proportional to 75,715.88, 104,490.07 and 42,184.04

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Solution

The fourth proportional to 75,715.88, 104,490.07 and 42,184.04 is: 58,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.88 : 104,490.07 = 42,184.04 : x
  2. Step 2: Convert to fraction form
    75,715.88/104,490.07 = 42,184.04/x
  3. Step 3: Cross multiply
    75,715.88x = 104,490.07 × 42,184.04
  4. Step 4: Simplify right side
    75,715.88x = 4,407,812,664.57
  5. Step 5: Solve for x
    x = 4,407,812,664.57/75,715.88
  6. Step 6: Final answer
    x = 58,215.17

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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.