Home / 47,407.80-65,423.70-26,187.96

Finding the Fourth Proportional to 47,407.80, 65,423.70 and 26,187.96

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Solution

The fourth proportional to 47,407.80, 65,423.70 and 26,187.96 is: 36,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,407.80 : 65,423.70 = 26,187.96 : x
  2. Step 2: Convert to fraction form
    47,407.80/65,423.70 = 26,187.96/x
  3. Step 3: Cross multiply
    47,407.80x = 65,423.70 × 26,187.96
  4. Step 4: Simplify right side
    47,407.80x = 1,713,313,238.65
  5. Step 5: Solve for x
    x = 1,713,313,238.65/47,407.80
  6. Step 6: Final answer
    x = 36,139.90

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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.