Home / 124,792.02-172,212.60-68,203.39

Finding the Fourth Proportional to 124,792.02, 172,212.60 and 68,203.39

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Solution

The fourth proportional to 124,792.02, 172,212.60 and 68,203.39 is: 94,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.02 : 172,212.60 = 68,203.39 : x
  2. Step 2: Convert to fraction form
    124,792.02/172,212.60 = 68,203.39/x
  3. Step 3: Cross multiply
    124,792.02x = 172,212.60 × 68,203.39
  4. Step 4: Simplify right side
    124,792.02x = 11,745,483,120.71
  5. Step 5: Solve for x
    x = 11,745,483,120.71/124,792.02
  6. Step 6: Final answer
    x = 94,120.47

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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.