Home / 112,642.52-168,898.12-49,460.12

Finding the Fourth Proportional to 112,642.52, 168,898.12 and 49,460.12

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Solution

The fourth proportional to 112,642.52, 168,898.12 and 49,460.12 is: 74,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,642.52 : 168,898.12 = 49,460.12 : x
  2. Step 2: Convert to fraction form
    112,642.52/168,898.12 = 49,460.12/x
  3. Step 3: Cross multiply
    112,642.52x = 168,898.12 × 49,460.12
  4. Step 4: Simplify right side
    112,642.52x = 8,353,721,282.97
  5. Step 5: Solve for x
    x = 8,353,721,282.97/112,642.52
  6. Step 6: Final answer
    x = 74,161.35

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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.