Home / 63,218.16-87,241.20-34,538.28

Finding the Fourth Proportional to 63,218.16, 87,241.20 and 34,538.28

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Solution

The fourth proportional to 63,218.16, 87,241.20 and 34,538.28 is: 47,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,218.16 : 87,241.20 = 34,538.28 : x
  2. Step 2: Convert to fraction form
    63,218.16/87,241.20 = 34,538.28/x
  3. Step 3: Cross multiply
    63,218.16x = 87,241.20 × 34,538.28
  4. Step 4: Simplify right side
    63,218.16x = 3,013,160,993.14
  5. Step 5: Solve for x
    x = 3,013,160,993.14/63,218.16
  6. Step 6: Final answer
    x = 47,662.90

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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.