Home / 65,996.12-98,994.54-21,624.68

Finding the Fourth Proportional to 65,996.12, 98,994.54 and 21,624.68

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Solution

The fourth proportional to 65,996.12, 98,994.54 and 21,624.68 is: 32,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,996.12 : 98,994.54 = 21,624.68 : x
  2. Step 2: Convert to fraction form
    65,996.12/98,994.54 = 21,624.68/x
  3. Step 3: Cross multiply
    65,996.12x = 98,994.54 × 21,624.68
  4. Step 4: Simplify right side
    65,996.12x = 2,140,725,249.25
  5. Step 5: Solve for x
    x = 2,140,725,249.25/65,996.12
  6. Step 6: Final answer
    x = 32,437.14

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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.