Home / 64,416.22-88,895.30-38,919.04

Finding the Fourth Proportional to 64,416.22, 88,895.30 and 38,919.04

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Solution

The fourth proportional to 64,416.22, 88,895.30 and 38,919.04 is: 53,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.22 : 88,895.30 = 38,919.04 : x
  2. Step 2: Convert to fraction form
    64,416.22/88,895.30 = 38,919.04/x
  3. Step 3: Cross multiply
    64,416.22x = 88,895.30 × 38,919.04
  4. Step 4: Simplify right side
    64,416.22x = 3,459,719,736.51
  5. Step 5: Solve for x
    x = 3,459,719,736.51/64,416.22
  6. Step 6: Final answer
    x = 53,708.83

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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.