Home / 45,675.16-68,510.00-12,394.49

Finding the Fourth Proportional to 45,675.16, 68,510.00 and 12,394.49

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Solution

The fourth proportional to 45,675.16, 68,510.00 and 12,394.49 is: 18,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.16 : 68,510.00 = 12,394.49 : x
  2. Step 2: Convert to fraction form
    45,675.16/68,510.00 = 12,394.49/x
  3. Step 3: Cross multiply
    45,675.16x = 68,510.00 × 12,394.49
  4. Step 4: Simplify right side
    45,675.16x = 849,146,198.34
  5. Step 5: Solve for x
    x = 849,146,198.34/45,675.16
  6. Step 6: Final answer
    x = 18,590.99

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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.