Home / 63,534.18-87,640.52-39,619.34

Finding the Fourth Proportional to 63,534.18, 87,640.52 and 39,619.34

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Solution

The fourth proportional to 63,534.18, 87,640.52 and 39,619.34 is: 54,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,534.18 : 87,640.52 = 39,619.34 : x
  2. Step 2: Convert to fraction form
    63,534.18/87,640.52 = 39,619.34/x
  3. Step 3: Cross multiply
    63,534.18x = 87,640.52 × 39,619.34
  4. Step 4: Simplify right side
    63,534.18x = 3,472,259,559.66
  5. Step 5: Solve for x
    x = 3,472,259,559.66/63,534.18
  6. Step 6: Final answer
    x = 54,651.84

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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.