Home / 112,510.92-168,572.46-74,536.50

Finding the Fourth Proportional to 112,510.92, 168,572.46 and 74,536.50

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Solution

The fourth proportional to 112,510.92, 168,572.46 and 74,536.50 is: 111,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,510.92 : 168,572.46 = 74,536.50 : x
  2. Step 2: Convert to fraction form
    112,510.92/168,572.46 = 74,536.50/x
  3. Step 3: Cross multiply
    112,510.92x = 168,572.46 × 74,536.50
  4. Step 4: Simplify right side
    112,510.92x = 12,564,801,164.79
  5. Step 5: Solve for x
    x = 12,564,801,164.79/112,510.92
  6. Step 6: Final answer
    x = 111,676.28

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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.