Home / 112,907.12-169,368.87-38,027.27

Finding the Fourth Proportional to 112,907.12, 169,368.87 and 38,027.27

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Solution

The fourth proportional to 112,907.12, 169,368.87 and 38,027.27 is: 57,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.12 : 169,368.87 = 38,027.27 : x
  2. Step 2: Convert to fraction form
    112,907.12/169,368.87 = 38,027.27/x
  3. Step 3: Cross multiply
    112,907.12x = 169,368.87 × 38,027.27
  4. Step 4: Simplify right side
    112,907.12x = 6,440,636,315.11
  5. Step 5: Solve for x
    x = 6,440,636,315.11/112,907.12
  6. Step 6: Final answer
    x = 57,043.67

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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.