Home / 112,488.40-168,756.90-33,610.60

Finding the Fourth Proportional to 112,488.40, 168,756.90 and 33,610.60

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Solution

The fourth proportional to 112,488.40, 168,756.90 and 33,610.60 is: 50,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,488.40 : 168,756.90 = 33,610.60 : x
  2. Step 2: Convert to fraction form
    112,488.40/168,756.90 = 33,610.60/x
  3. Step 3: Cross multiply
    112,488.40x = 168,756.90 × 33,610.60
  4. Step 4: Simplify right side
    112,488.40x = 5,672,020,663.14
  5. Step 5: Solve for x
    x = 5,672,020,663.14/112,488.40
  6. Step 6: Final answer
    x = 50,423.16

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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.