Home / 98,835.84-136,257.89-62,519.22

Finding the Fourth Proportional to 98,835.84, 136,257.89 and 62,519.22

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Solution

The fourth proportional to 98,835.84, 136,257.89 and 62,519.22 is: 86,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,835.84 : 136,257.89 = 62,519.22 : x
  2. Step 2: Convert to fraction form
    98,835.84/136,257.89 = 62,519.22/x
  3. Step 3: Cross multiply
    98,835.84x = 136,257.89 × 62,519.22
  4. Step 4: Simplify right side
    98,835.84x = 8,518,737,001.65
  5. Step 5: Solve for x
    x = 8,518,737,001.65/98,835.84
  6. Step 6: Final answer
    x = 86,190.77

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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.