Home / 56,912.50-85,368.61-19,472.95

Finding the Fourth Proportional to 56,912.50, 85,368.61 and 19,472.95

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Solution

The fourth proportional to 56,912.50, 85,368.61 and 19,472.95 is: 29,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.50 : 85,368.61 = 19,472.95 : x
  2. Step 2: Convert to fraction form
    56,912.50/85,368.61 = 19,472.95/x
  3. Step 3: Cross multiply
    56,912.50x = 85,368.61 × 19,472.95
  4. Step 4: Simplify right side
    56,912.50x = 1,662,378,674.10
  5. Step 5: Solve for x
    x = 1,662,378,674.10/56,912.50
  6. Step 6: Final answer
    x = 29,209.38

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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.