Home / 48,725.50-72,877.10-28,687.24

Finding the Fourth Proportional to 48,725.50, 72,877.10 and 28,687.24

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Solution

The fourth proportional to 48,725.50, 72,877.10 and 28,687.24 is: 42,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,725.50 : 72,877.10 = 28,687.24 : x
  2. Step 2: Convert to fraction form
    48,725.50/72,877.10 = 28,687.24/x
  3. Step 3: Cross multiply
    48,725.50x = 72,877.10 × 28,687.24
  4. Step 4: Simplify right side
    48,725.50x = 2,090,642,858.20
  5. Step 5: Solve for x
    x = 2,090,642,858.20/48,725.50
  6. Step 6: Final answer
    x = 42,906.54

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1.5x scale

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.