Home / 125,758.61-188,636.24-30,989.93

Finding the Fourth Proportional to 125,758.61, 188,636.24 and 30,989.93

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Solution

The fourth proportional to 125,758.61, 188,636.24 and 30,989.93 is: 46,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,758.61 : 188,636.24 = 30,989.93 : x
  2. Step 2: Convert to fraction form
    125,758.61/188,636.24 = 30,989.93/x
  3. Step 3: Cross multiply
    125,758.61x = 188,636.24 × 30,989.93
  4. Step 4: Simplify right side
    125,758.61x = 5,845,823,007.36
  5. Step 5: Solve for x
    x = 5,845,823,007.36/125,758.61
  6. Step 6: Final answer
    x = 46,484.48

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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.