Home / 45,342.18-68,013.14-12,062.25

Finding the Fourth Proportional to 45,342.18, 68,013.14 and 12,062.25

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Solution

The fourth proportional to 45,342.18, 68,013.14 and 12,062.25 is: 18,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.18 : 68,013.14 = 12,062.25 : x
  2. Step 2: Convert to fraction form
    45,342.18/68,013.14 = 12,062.25/x
  3. Step 3: Cross multiply
    45,342.18x = 68,013.14 × 12,062.25
  4. Step 4: Simplify right side
    45,342.18x = 820,391,437.65
  5. Step 5: Solve for x
    x = 820,391,437.65/45,342.18
  6. Step 6: Final answer
    x = 18,093.34

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1.5x scale

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.