Home / 52,719.56-72,755.16-28,848.32

Finding the Fourth Proportional to 52,719.56, 72,755.16 and 28,848.32

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Solution

The fourth proportional to 52,719.56, 72,755.16 and 28,848.32 is: 39,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.56 : 72,755.16 = 28,848.32 : x
  2. Step 2: Convert to fraction form
    52,719.56/72,755.16 = 28,848.32/x
  3. Step 3: Cross multiply
    52,719.56x = 72,755.16 × 28,848.32
  4. Step 4: Simplify right side
    52,719.56x = 2,098,864,137.33
  5. Step 5: Solve for x
    x = 2,098,864,137.33/52,719.56
  6. Step 6: Final answer
    x = 39,811.87

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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.