Home / 98,584.75-136,046.96-56,147.23

Finding the Fourth Proportional to 98,584.75, 136,046.96 and 56,147.23

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Solution

The fourth proportional to 98,584.75, 136,046.96 and 56,147.23 is: 77,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,584.75 : 136,046.96 = 56,147.23 : x
  2. Step 2: Convert to fraction form
    98,584.75/136,046.96 = 56,147.23/x
  3. Step 3: Cross multiply
    98,584.75x = 136,046.96 × 56,147.23
  4. Step 4: Simplify right side
    98,584.75x = 7,638,659,953.92
  5. Step 5: Solve for x
    x = 7,638,659,953.92/98,584.75
  6. Step 6: Final answer
    x = 77,483.18

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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.