Home / 81,088.32-121,644.11-24,933.15

Finding the Fourth Proportional to 81,088.32, 121,644.11 and 24,933.15

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Solution

The fourth proportional to 81,088.32, 121,644.11 and 24,933.15 is: 37,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,088.32 : 121,644.11 = 24,933.15 : x
  2. Step 2: Convert to fraction form
    81,088.32/121,644.11 = 24,933.15/x
  3. Step 3: Cross multiply
    81,088.32x = 121,644.11 × 24,933.15
  4. Step 4: Simplify right side
    81,088.32x = 3,032,970,903.58
  5. Step 5: Solve for x
    x = 3,032,970,903.58/81,088.32
  6. Step 6: Final answer
    x = 37,403.30

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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.