Home / 52,200.21-72,036.63-29,540.07

Finding the Fourth Proportional to 52,200.21, 72,036.63 and 29,540.07

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Solution

The fourth proportional to 52,200.21, 72,036.63 and 29,540.07 is: 40,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,200.21 : 72,036.63 = 29,540.07 : x
  2. Step 2: Convert to fraction form
    52,200.21/72,036.63 = 29,540.07/x
  3. Step 3: Cross multiply
    52,200.21x = 72,036.63 × 29,540.07
  4. Step 4: Simplify right side
    52,200.21x = 2,127,967,092.76
  5. Step 5: Solve for x
    x = 2,127,967,092.76/52,200.21
  6. Step 6: Final answer
    x = 40,765.49

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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.