Home / 116,934.70-175,428-54,571.18

Finding the Fourth Proportional to 116,934.70, 175,428 and 54,571.18

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Solution

The fourth proportional to 116,934.70, 175,428 and 54,571.18 is: 81,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,934.70 : 175,428 = 54,571.18 : x
  2. Step 2: Convert to fraction form
    116,934.70/175,428 = 54,571.18/x
  3. Step 3: Cross multiply
    116,934.70x = 175,428 × 54,571.18
  4. Step 4: Simplify right side
    116,934.70x = 9,573,312,965.04
  5. Step 5: Solve for x
    x = 9,573,312,965.04/116,934.70
  6. Step 6: Final answer
    x = 81,868.88

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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.