Home / 69,211.98-103,438.65-50,531.34

Finding the Fourth Proportional to 69,211.98, 103,438.65 and 50,531.34

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Solution

The fourth proportional to 69,211.98, 103,438.65 and 50,531.34 is: 75,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,211.98 : 103,438.65 = 50,531.34 : x
  2. Step 2: Convert to fraction form
    69,211.98/103,438.65 = 50,531.34/x
  3. Step 3: Cross multiply
    69,211.98x = 103,438.65 × 50,531.34
  4. Step 4: Simplify right side
    69,211.98x = 5,226,893,592.29
  5. Step 5: Solve for x
    x = 5,226,893,592.29/69,211.98
  6. Step 6: Final answer
    x = 75,520.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.