Home / 112,716.30-169,059.87-42,586.50

Finding the Fourth Proportional to 112,716.30, 169,059.87 and 42,586.50

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Solution

The fourth proportional to 112,716.30, 169,059.87 and 42,586.50 is: 63,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.30 : 169,059.87 = 42,586.50 : x
  2. Step 2: Convert to fraction form
    112,716.30/169,059.87 = 42,586.50/x
  3. Step 3: Cross multiply
    112,716.30x = 169,059.87 × 42,586.50
  4. Step 4: Simplify right side
    112,716.30x = 7,199,668,153.76
  5. Step 5: Solve for x
    x = 7,199,668,153.76/112,716.30
  6. Step 6: Final answer
    x = 63,874.24

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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.