Home / 125,043.03-187,563.74-31,548.87

Finding the Fourth Proportional to 125,043.03, 187,563.74 and 31,548.87

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Solution

The fourth proportional to 125,043.03, 187,563.74 and 31,548.87 is: 47,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,043.03 : 187,563.74 = 31,548.87 : x
  2. Step 2: Convert to fraction form
    125,043.03/187,563.74 = 31,548.87/x
  3. Step 3: Cross multiply
    125,043.03x = 187,563.74 × 31,548.87
  4. Step 4: Simplify right side
    125,043.03x = 5,917,423,892.23
  5. Step 5: Solve for x
    x = 5,917,423,892.23/125,043.03
  6. Step 6: Final answer
    x = 47,323.10

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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.