Home / 112,582.76-168,873.70-45,144.94

Finding the Fourth Proportional to 112,582.76, 168,873.70 and 45,144.94

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Solution

The fourth proportional to 112,582.76, 168,873.70 and 45,144.94 is: 67,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,582.76 : 168,873.70 = 45,144.94 : x
  2. Step 2: Convert to fraction form
    112,582.76/168,873.70 = 45,144.94/x
  3. Step 3: Cross multiply
    112,582.76x = 168,873.70 × 45,144.94
  4. Step 4: Simplify right side
    112,582.76x = 7,623,793,054.08
  5. Step 5: Solve for x
    x = 7,623,793,054.08/112,582.76
  6. Step 6: Final answer
    x = 67,717.24

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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.