Home / 51,066.98-76,543.69-38,546.40

Finding the Fourth Proportional to 51,066.98, 76,543.69 and 38,546.40

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Solution

The fourth proportional to 51,066.98, 76,543.69 and 38,546.40 is: 57,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,066.98 : 76,543.69 = 38,546.40 : x
  2. Step 2: Convert to fraction form
    51,066.98/76,543.69 = 38,546.40/x
  3. Step 3: Cross multiply
    51,066.98x = 76,543.69 × 38,546.40
  4. Step 4: Simplify right side
    51,066.98x = 2,950,483,692.22
  5. Step 5: Solve for x
    x = 2,950,483,692.22/51,066.98
  6. Step 6: Final answer
    x = 57,776.74

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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.