Home / 112,384.90-168,576.72-45,824.77

Finding the Fourth Proportional to 112,384.90, 168,576.72 and 45,824.77

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Solution

The fourth proportional to 112,384.90, 168,576.72 and 45,824.77 is: 68,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,384.90 : 168,576.72 = 45,824.77 : x
  2. Step 2: Convert to fraction form
    112,384.90/168,576.72 = 45,824.77/x
  3. Step 3: Cross multiply
    112,384.90x = 168,576.72 × 45,824.77
  4. Step 4: Simplify right side
    112,384.90x = 7,724,989,421.35
  5. Step 5: Solve for x
    x = 7,724,989,421.35/112,384.90
  6. Step 6: Final answer
    x = 68,736.90

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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.