Home / 85,213.42-127,775.36-37,807.98

Finding the Fourth Proportional to 85,213.42, 127,775.36 and 37,807.98

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Solution

The fourth proportional to 85,213.42, 127,775.36 and 37,807.98 is: 56,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,213.42 : 127,775.36 = 37,807.98 : x
  2. Step 2: Convert to fraction form
    85,213.42/127,775.36 = 37,807.98/x
  3. Step 3: Cross multiply
    85,213.42x = 127,775.36 × 37,807.98
  4. Step 4: Simplify right side
    85,213.42x = 4,830,928,255.37
  5. Step 5: Solve for x
    x = 4,830,928,255.37/85,213.42
  6. Step 6: Final answer
    x = 56,692.11

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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.