Home / 112,419.28-168,656.10-33,539.68

Finding the Fourth Proportional to 112,419.28, 168,656.10 and 33,539.68

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Solution

The fourth proportional to 112,419.28, 168,656.10 and 33,539.68 is: 50,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,419.28 : 168,656.10 = 33,539.68 : x
  2. Step 2: Convert to fraction form
    112,419.28/168,656.10 = 33,539.68/x
  3. Step 3: Cross multiply
    112,419.28x = 168,656.10 × 33,539.68
  4. Step 4: Simplify right side
    112,419.28x = 5,656,671,624.05
  5. Step 5: Solve for x
    x = 5,656,671,624.05/112,419.28
  6. Step 6: Final answer
    x = 50,317.63

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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.