Home / 76,211.18-105,175.20-45,996.02

Finding the Fourth Proportional to 76,211.18, 105,175.20 and 45,996.02

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Solution

The fourth proportional to 76,211.18, 105,175.20 and 45,996.02 is: 63,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,211.18 : 105,175.20 = 45,996.02 : x
  2. Step 2: Convert to fraction form
    76,211.18/105,175.20 = 45,996.02/x
  3. Step 3: Cross multiply
    76,211.18x = 105,175.20 × 45,996.02
  4. Step 4: Simplify right side
    76,211.18x = 4,837,640,602.70
  5. Step 5: Solve for x
    x = 4,837,640,602.70/76,211.18
  6. Step 6: Final answer
    x = 63,476.78

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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.