Home / 52,161.57-78,245.06-39,701.07

Finding the Fourth Proportional to 52,161.57, 78,245.06 and 39,701.07

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Solution

The fourth proportional to 52,161.57, 78,245.06 and 39,701.07 is: 59,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161.57 : 78,245.06 = 39,701.07 : x
  2. Step 2: Convert to fraction form
    52,161.57/78,245.06 = 39,701.07/x
  3. Step 3: Cross multiply
    52,161.57x = 78,245.06 × 39,701.07
  4. Step 4: Simplify right side
    52,161.57x = 3,106,412,405.71
  5. Step 5: Solve for x
    x = 3,106,412,405.71/52,161.57
  6. Step 6: Final answer
    x = 59,553.66

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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.