Home / 63,905.05-88,195.53-38,419.72

Finding the Fourth Proportional to 63,905.05, 88,195.53 and 38,419.72

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Solution

The fourth proportional to 63,905.05, 88,195.53 and 38,419.72 is: 53,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,905.05 : 88,195.53 = 38,419.72 : x
  2. Step 2: Convert to fraction form
    63,905.05/88,195.53 = 38,419.72/x
  3. Step 3: Cross multiply
    63,905.05x = 88,195.53 × 38,419.72
  4. Step 4: Simplify right side
    63,905.05x = 3,388,447,567.85
  5. Step 5: Solve for x
    x = 3,388,447,567.85/63,905.05
  6. Step 6: Final answer
    x = 53,023.16

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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.