Home / 56,692.14-78,235.51-31,197.80

Finding the Fourth Proportional to 56,692.14, 78,235.51 and 31,197.80

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Solution

The fourth proportional to 56,692.14, 78,235.51 and 31,197.80 is: 43,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.14 : 78,235.51 = 31,197.80 : x
  2. Step 2: Convert to fraction form
    56,692.14/78,235.51 = 31,197.80/x
  3. Step 3: Cross multiply
    56,692.14x = 78,235.51 × 31,197.80
  4. Step 4: Simplify right side
    56,692.14x = 2,440,775,793.88
  5. Step 5: Solve for x
    x = 2,440,775,793.88/56,692.14
  6. Step 6: Final answer
    x = 43,053.16

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1.5x scale

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.