Home / 71,380.59-98,611.86-46,909.28

Finding the Fourth Proportional to 71,380.59, 98,611.86 and 46,909.28

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Solution

The fourth proportional to 71,380.59, 98,611.86 and 46,909.28 is: 64,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.59 : 98,611.86 = 46,909.28 : x
  2. Step 2: Convert to fraction form
    71,380.59/98,611.86 = 46,909.28/x
  3. Step 3: Cross multiply
    71,380.59x = 98,611.86 × 46,909.28
  4. Step 4: Simplify right side
    71,380.59x = 4,625,810,859.00
  5. Step 5: Solve for x
    x = 4,625,810,859.00/71,380.59
  6. Step 6: Final answer
    x = 64,804.88

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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.