Home / 98,640.02-136,031.73-62,792.66

Finding the Fourth Proportional to 98,640.02, 136,031.73 and 62,792.66

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Solution

The fourth proportional to 98,640.02, 136,031.73 and 62,792.66 is: 86,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,640.02 : 136,031.73 = 62,792.66 : x
  2. Step 2: Convert to fraction form
    98,640.02/136,031.73 = 62,792.66/x
  3. Step 3: Cross multiply
    98,640.02x = 136,031.73 × 62,792.66
  4. Step 4: Simplify right side
    98,640.02x = 8,541,794,171.10
  5. Step 5: Solve for x
    x = 8,541,794,171.10/98,640.02
  6. Step 6: Final answer
    x = 86,595.62

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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.