Home / 126,535.90-174,612.68-69,943.63

Finding the Fourth Proportional to 126,535.90, 174,612.68 and 69,943.63

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Solution

The fourth proportional to 126,535.90, 174,612.68 and 69,943.63 is: 96,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,535.90 : 174,612.68 = 69,943.63 : x
  2. Step 2: Convert to fraction form
    126,535.90/174,612.68 = 69,943.63/x
  3. Step 3: Cross multiply
    126,535.90x = 174,612.68 × 69,943.63
  4. Step 4: Simplify right side
    126,535.90x = 12,213,043,985.02
  5. Step 5: Solve for x
    x = 12,213,043,985.02/126,535.90
  6. Step 6: Final answer
    x = 96,518.41

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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.