Home / 51,415.80-77,123.70-23,767.80

Finding the Fourth Proportional to 51,415.80, 77,123.70 and 23,767.80

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Solution

The fourth proportional to 51,415.80, 77,123.70 and 23,767.80 is: 35,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415.80 : 77,123.70 = 23,767.80 : x
  2. Step 2: Convert to fraction form
    51,415.80/77,123.70 = 23,767.80/x
  3. Step 3: Cross multiply
    51,415.80x = 77,123.70 × 23,767.80
  4. Step 4: Simplify right side
    51,415.80x = 1,833,060,676.86
  5. Step 5: Solve for x
    x = 1,833,060,676.86/51,415.80
  6. Step 6: Final answer
    x = 35,651.70

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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.