Home / 45,601.08-68,071.67-39,400.98

Finding the Fourth Proportional to 45,601.08, 68,071.67 and 39,400.98

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Solution

The fourth proportional to 45,601.08, 68,071.67 and 39,400.98 is: 58,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,601.08 : 68,071.67 = 39,400.98 : x
  2. Step 2: Convert to fraction form
    45,601.08/68,071.67 = 39,400.98/x
  3. Step 3: Cross multiply
    45,601.08x = 68,071.67 × 39,400.98
  4. Step 4: Simplify right side
    45,601.08x = 2,682,090,311.23
  5. Step 5: Solve for x
    x = 2,682,090,311.23/45,601.08
  6. Step 6: Final answer
    x = 58,816.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.