Home / 100,066.64-138,105.48-57,624.08

Finding the Fourth Proportional to 100,066.64, 138,105.48 and 57,624.08

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Solution

The fourth proportional to 100,066.64, 138,105.48 and 57,624.08 is: 79,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,066.64 : 138,105.48 = 57,624.08 : x
  2. Step 2: Convert to fraction form
    100,066.64/138,105.48 = 57,624.08/x
  3. Step 3: Cross multiply
    100,066.64x = 138,105.48 × 57,624.08
  4. Step 4: Simplify right side
    100,066.64x = 7,958,201,227.96
  5. Step 5: Solve for x
    x = 7,958,201,227.96/100,066.64
  6. Step 6: Final answer
    x = 79,529.01

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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.