Home / 112,427.29-168,650.70-45,872.02

Finding the Fourth Proportional to 112,427.29, 168,650.70 and 45,872.02

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Solution

The fourth proportional to 112,427.29, 168,650.70 and 45,872.02 is: 68,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,427.29 : 168,650.70 = 45,872.02 : x
  2. Step 2: Convert to fraction form
    112,427.29/168,650.70 = 45,872.02/x
  3. Step 3: Cross multiply
    112,427.29x = 168,650.70 × 45,872.02
  4. Step 4: Simplify right side
    112,427.29x = 7,736,348,283.41
  5. Step 5: Solve for x
    x = 7,736,348,283.41/112,427.29
  6. Step 6: Final answer
    x = 68,812.01

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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.