Home / 124,372.39-171,634.49-70,660.36

Finding the Fourth Proportional to 124,372.39, 171,634.49 and 70,660.36

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Solution

The fourth proportional to 124,372.39, 171,634.49 and 70,660.36 is: 97,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,372.39 : 171,634.49 = 70,660.36 : x
  2. Step 2: Convert to fraction form
    124,372.39/171,634.49 = 70,660.36/x
  3. Step 3: Cross multiply
    124,372.39x = 171,634.49 × 70,660.36
  4. Step 4: Simplify right side
    124,372.39x = 12,127,754,851.82
  5. Step 5: Solve for x
    x = 12,127,754,851.82/124,372.39
  6. Step 6: Final answer
    x = 97,511.63

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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.