Home / 63,119.20-87,114-37,973.92

Finding the Fourth Proportional to 63,119.20, 87,114 and 37,973.92

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Solution

The fourth proportional to 63,119.20, 87,114 and 37,973.92 is: 52,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,119.20 : 87,114 = 37,973.92 : x
  2. Step 2: Convert to fraction form
    63,119.20/87,114 = 37,973.92/x
  3. Step 3: Cross multiply
    63,119.20x = 87,114 × 37,973.92
  4. Step 4: Simplify right side
    63,119.20x = 3,308,060,066.88
  5. Step 5: Solve for x
    x = 3,308,060,066.88/63,119.20
  6. Step 6: Final answer
    x = 52,409.73

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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.