Home / 124,266.12-171,487.44-67,677.72

Finding the Fourth Proportional to 124,266.12, 171,487.44 and 67,677.72

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Solution

The fourth proportional to 124,266.12, 171,487.44 and 67,677.72 is: 93,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,266.12 : 171,487.44 = 67,677.72 : x
  2. Step 2: Convert to fraction form
    124,266.12/171,487.44 = 67,677.72/x
  3. Step 3: Cross multiply
    124,266.12x = 171,487.44 × 67,677.72
  4. Step 4: Simplify right side
    124,266.12x = 11,605,878,947.84
  5. Step 5: Solve for x
    x = 11,605,878,947.84/124,266.12
  6. Step 6: Final answer
    x = 93,395.36

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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.