Home / 124,461.81-171,755.78-67,871.97

Finding the Fourth Proportional to 124,461.81, 171,755.78 and 67,871.97

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Solution

The fourth proportional to 124,461.81, 171,755.78 and 67,871.97 is: 93,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,461.81 : 171,755.78 = 67,871.97 : x
  2. Step 2: Convert to fraction form
    124,461.81/171,755.78 = 67,871.97/x
  3. Step 3: Cross multiply
    124,461.81x = 171,755.78 × 67,871.97
  4. Step 4: Simplify right side
    124,461.81x = 11,657,402,808.13
  5. Step 5: Solve for x
    x = 11,657,402,808.13/124,461.81
  6. Step 6: Final answer
    x = 93,662.49

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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.