Home / 122,058.48-168,445.50-68,343.02

Finding the Fourth Proportional to 122,058.48, 168,445.50 and 68,343.02

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Solution

The fourth proportional to 122,058.48, 168,445.50 and 68,343.02 is: 94,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,058.48 : 168,445.50 = 68,343.02 : x
  2. Step 2: Convert to fraction form
    122,058.48/168,445.50 = 68,343.02/x
  3. Step 3: Cross multiply
    122,058.48x = 168,445.50 × 68,343.02
  4. Step 4: Simplify right side
    122,058.48x = 11,512,074,175.41
  5. Step 5: Solve for x
    x = 11,512,074,175.41/122,058.48
  6. Step 6: Final answer
    x = 94,316.05

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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.