Home / 98,723.84-136,205.76-56,252.48

Finding the Fourth Proportional to 98,723.84, 136,205.76 and 56,252.48

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Solution

The fourth proportional to 98,723.84, 136,205.76 and 56,252.48 is: 77,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723.84 : 136,205.76 = 56,252.48 : x
  2. Step 2: Convert to fraction form
    98,723.84/136,205.76 = 56,252.48/x
  3. Step 3: Cross multiply
    98,723.84x = 136,205.76 × 56,252.48
  4. Step 4: Simplify right side
    98,723.84x = 7,661,911,790.28
  5. Step 5: Solve for x
    x = 7,661,911,790.28/98,723.84
  6. Step 6: Final answer
    x = 77,609.54

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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.