Home / 52,789.88-72,850.08-28,916.66

Finding the Fourth Proportional to 52,789.88, 72,850.08 and 28,916.66

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Solution

The fourth proportional to 52,789.88, 72,850.08 and 28,916.66 is: 39,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,789.88 : 72,850.08 = 28,916.66 : x
  2. Step 2: Convert to fraction form
    52,789.88/72,850.08 = 28,916.66/x
  3. Step 3: Cross multiply
    52,789.88x = 72,850.08 × 28,916.66
  4. Step 4: Simplify right side
    52,789.88x = 2,106,580,994.33
  5. Step 5: Solve for x
    x = 2,106,580,994.33/52,789.88
  6. Step 6: Final answer
    x = 39,905.02

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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.