Home / 99,706.41-137,592.34-54,385.43

Finding the Fourth Proportional to 99,706.41, 137,592.34 and 54,385.43

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Solution

The fourth proportional to 99,706.41, 137,592.34 and 54,385.43 is: 75,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706.41 : 137,592.34 = 54,385.43 : x
  2. Step 2: Convert to fraction form
    99,706.41/137,592.34 = 54,385.43/x
  3. Step 3: Cross multiply
    99,706.41x = 137,592.34 × 54,385.43
  4. Step 4: Simplify right side
    99,706.41x = 7,483,017,751.68
  5. Step 5: Solve for x
    x = 7,483,017,751.68/99,706.41
  6. Step 6: Final answer
    x = 75,050.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.