Home / 85,384.49-128,082.87-32,793.95

Finding the Fourth Proportional to 85,384.49, 128,082.87 and 32,793.95

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Solution

The fourth proportional to 85,384.49, 128,082.87 and 32,793.95 is: 49,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,384.49 : 128,082.87 = 32,793.95 : x
  2. Step 2: Convert to fraction form
    85,384.49/128,082.87 = 32,793.95/x
  3. Step 3: Cross multiply
    85,384.49x = 128,082.87 × 32,793.95
  4. Step 4: Simplify right side
    85,384.49x = 4,200,343,554.84
  5. Step 5: Solve for x
    x = 4,200,343,554.84/85,384.49
  6. Step 6: Final answer
    x = 49,193.29

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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.