Home / 52,820.20-72,873.73-31,305.59

Finding the Fourth Proportional to 52,820.20, 72,873.73 and 31,305.59

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Solution

The fourth proportional to 52,820.20, 72,873.73 and 31,305.59 is: 43,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820.20 : 72,873.73 = 31,305.59 : x
  2. Step 2: Convert to fraction form
    52,820.20/72,873.73 = 31,305.59/x
  3. Step 3: Cross multiply
    52,820.20x = 72,873.73 × 31,305.59
  4. Step 4: Simplify right side
    52,820.20x = 2,281,354,885.10
  5. Step 5: Solve for x
    x = 2,281,354,885.10/52,820.20
  6. Step 6: Final answer
    x = 43,190.95

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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.