Home / 99,158.49-136,838.88-53,836.47

Finding the Fourth Proportional to 99,158.49, 136,838.88 and 53,836.47

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Solution

The fourth proportional to 99,158.49, 136,838.88 and 53,836.47 is: 74,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,158.49 : 136,838.88 = 53,836.47 : x
  2. Step 2: Convert to fraction form
    99,158.49/136,838.88 = 53,836.47/x
  3. Step 3: Cross multiply
    99,158.49x = 136,838.88 × 53,836.47
  4. Step 4: Simplify right side
    99,158.49x = 7,366,922,257.95
  5. Step 5: Solve for x
    x = 7,366,922,257.95/99,158.49
  6. Step 6: Final answer
    x = 74,294.42

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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.