Home / 124,139.25-171,312.99-67,551.03

Finding the Fourth Proportional to 124,139.25, 171,312.99 and 67,551.03

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Solution

The fourth proportional to 124,139.25, 171,312.99 and 67,551.03 is: 93,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,139.25 : 171,312.99 = 67,551.03 : x
  2. Step 2: Convert to fraction form
    124,139.25/171,312.99 = 67,551.03/x
  3. Step 3: Cross multiply
    124,139.25x = 171,312.99 × 67,551.03
  4. Step 4: Simplify right side
    124,139.25x = 11,572,368,926.88
  5. Step 5: Solve for x
    x = 11,572,368,926.88/124,139.25
  6. Step 6: Final answer
    x = 93,220.87

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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.