Home / 115,429.36-173,012.80-48,827.92

Finding the Fourth Proportional to 115,429.36, 173,012.80 and 48,827.92

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Solution

The fourth proportional to 115,429.36, 173,012.80 and 48,827.92 is: 73,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,429.36 : 173,012.80 = 48,827.92 : x
  2. Step 2: Convert to fraction form
    115,429.36/173,012.80 = 48,827.92/x
  3. Step 3: Cross multiply
    115,429.36x = 173,012.80 × 48,827.92
  4. Step 4: Simplify right side
    115,429.36x = 8,447,855,157.38
  5. Step 5: Solve for x
    x = 8,447,855,157.38/115,429.36
  6. Step 6: Final answer
    x = 73,186.36

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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.