Home / 80,303.45-110,938.73-52,773.21

Finding the Fourth Proportional to 80,303.45, 110,938.73 and 52,773.21

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Solution

The fourth proportional to 80,303.45, 110,938.73 and 52,773.21 is: 72,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,303.45 : 110,938.73 = 52,773.21 : x
  2. Step 2: Convert to fraction form
    80,303.45/110,938.73 = 52,773.21/x
  3. Step 3: Cross multiply
    80,303.45x = 110,938.73 × 52,773.21
  4. Step 4: Simplify right side
    80,303.45x = 5,854,592,631.56
  5. Step 5: Solve for x
    x = 5,854,592,631.56/80,303.45
  6. Step 6: Final answer
    x = 72,905.87

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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.