Home / 64,742.40-97,074.68-25,318.08

Finding the Fourth Proportional to 64,742.40, 97,074.68 and 25,318.08

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Solution

The fourth proportional to 64,742.40, 97,074.68 and 25,318.08 is: 37,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742.40 : 97,074.68 = 25,318.08 : x
  2. Step 2: Convert to fraction form
    64,742.40/97,074.68 = 25,318.08/x
  3. Step 3: Cross multiply
    64,742.40x = 97,074.68 × 25,318.08
  4. Step 4: Simplify right side
    64,742.40x = 2,457,744,514.21
  5. Step 5: Solve for x
    x = 2,457,744,514.21/64,742.40
  6. Step 6: Final answer
    x = 37,961.90

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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.