Home / 112,428.81-168,625.80-49,235.04

Finding the Fourth Proportional to 112,428.81, 168,625.80 and 49,235.04

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Solution

The fourth proportional to 112,428.81, 168,625.80 and 49,235.04 is: 73,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,428.81 : 168,625.80 = 49,235.04 : x
  2. Step 2: Convert to fraction form
    112,428.81/168,625.80 = 49,235.04/x
  3. Step 3: Cross multiply
    112,428.81x = 168,625.80 × 49,235.04
  4. Step 4: Simplify right side
    112,428.81x = 8,302,298,008.03
  5. Step 5: Solve for x
    x = 8,302,298,008.03/112,428.81
  6. Step 6: Final answer
    x = 73,844.93

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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.