Home / 126,041.30-173,937.02-68,680.63

Finding the Fourth Proportional to 126,041.30, 173,937.02 and 68,680.63

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Solution

The fourth proportional to 126,041.30, 173,937.02 and 68,680.63 is: 94,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.30 : 173,937.02 = 68,680.63 : x
  2. Step 2: Convert to fraction form
    126,041.30/173,937.02 = 68,680.63/x
  3. Step 3: Cross multiply
    126,041.30x = 173,937.02 × 68,680.63
  4. Step 4: Simplify right side
    126,041.30x = 11,946,104,863.47
  5. Step 5: Solve for x
    x = 11,946,104,863.47/126,041.30
  6. Step 6: Final answer
    x = 94,779.29

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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.