Home / 48,174.34-66,488.40-30,271.99

Finding the Fourth Proportional to 48,174.34, 66,488.40 and 30,271.99

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Solution

The fourth proportional to 48,174.34, 66,488.40 and 30,271.99 is: 41,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,174.34 : 66,488.40 = 30,271.99 : x
  2. Step 2: Convert to fraction form
    48,174.34/66,488.40 = 30,271.99/x
  3. Step 3: Cross multiply
    48,174.34x = 66,488.40 × 30,271.99
  4. Step 4: Simplify right side
    48,174.34x = 2,012,736,179.92
  5. Step 5: Solve for x
    x = 2,012,736,179.92/48,174.34
  6. Step 6: Final answer
    x = 41,780.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.