Home / 98,886.55-136,476.66-55,874.94

Finding the Fourth Proportional to 98,886.55, 136,476.66 and 55,874.94

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Solution

The fourth proportional to 98,886.55, 136,476.66 and 55,874.94 is: 77,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,886.55 : 136,476.66 = 55,874.94 : x
  2. Step 2: Convert to fraction form
    98,886.55/136,476.66 = 55,874.94/x
  3. Step 3: Cross multiply
    98,886.55x = 136,476.66 × 55,874.94
  4. Step 4: Simplify right side
    98,886.55x = 7,625,624,506.52
  5. Step 5: Solve for x
    x = 7,625,624,506.52/98,886.55
  6. Step 6: Final answer
    x = 77,114.88

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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.