Home / 77,578.45-116,385.87-24,985.96

Finding the Fourth Proportional to 77,578.45, 116,385.87 and 24,985.96

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Solution

The fourth proportional to 77,578.45, 116,385.87 and 24,985.96 is: 37,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,578.45 : 116,385.87 = 24,985.96 : x
  2. Step 2: Convert to fraction form
    77,578.45/116,385.87 = 24,985.96/x
  3. Step 3: Cross multiply
    77,578.45x = 116,385.87 × 24,985.96
  4. Step 4: Simplify right side
    77,578.45x = 2,908,012,692.39
  5. Step 5: Solve for x
    x = 2,908,012,692.39/77,578.45
  6. Step 6: Final answer
    x = 37,484.80

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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.