Home / 112,371.36-168,558.12-45,798

Finding the Fourth Proportional to 112,371.36, 168,558.12 and 45,798

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Solution

The fourth proportional to 112,371.36, 168,558.12 and 45,798 is: 68,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371.36 : 168,558.12 = 45,798 : x
  2. Step 2: Convert to fraction form
    112,371.36/168,558.12 = 45,798/x
  3. Step 3: Cross multiply
    112,371.36x = 168,558.12 × 45,798
  4. Step 4: Simplify right side
    112,371.36x = 7,719,624,779.76
  5. Step 5: Solve for x
    x = 7,719,624,779.76/112,371.36
  6. Step 6: Final answer
    x = 68,697.44

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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.