Home / 63,430.72-87,534.12-36,573.04

Finding the Fourth Proportional to 63,430.72, 87,534.12 and 36,573.04

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Solution

The fourth proportional to 63,430.72, 87,534.12 and 36,573.04 is: 50,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.72 : 87,534.12 = 36,573.04 : x
  2. Step 2: Convert to fraction form
    63,430.72/87,534.12 = 36,573.04/x
  3. Step 3: Cross multiply
    63,430.72x = 87,534.12 × 36,573.04
  4. Step 4: Simplify right side
    63,430.72x = 3,201,388,872.12
  5. Step 5: Solve for x
    x = 3,201,388,872.12/63,430.72
  6. Step 6: Final answer
    x = 50,470.64

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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.