Home / 52,106.82-78,160.23-12,663.96

Finding the Fourth Proportional to 52,106.82, 78,160.23 and 12,663.96

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Solution

The fourth proportional to 52,106.82, 78,160.23 and 12,663.96 is: 18,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,106.82 : 78,160.23 = 12,663.96 : x
  2. Step 2: Convert to fraction form
    52,106.82/78,160.23 = 12,663.96/x
  3. Step 3: Cross multiply
    52,106.82x = 78,160.23 × 12,663.96
  4. Step 4: Simplify right side
    52,106.82x = 989,818,026.31
  5. Step 5: Solve for x
    x = 989,818,026.31/52,106.82
  6. Step 6: Final answer
    x = 18,995.94

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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.