Home / 124,903.77-172,371.33-68,315.14

Finding the Fourth Proportional to 124,903.77, 172,371.33 and 68,315.14

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Solution

The fourth proportional to 124,903.77, 172,371.33 and 68,315.14 is: 94,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.77 : 172,371.33 = 68,315.14 : x
  2. Step 2: Convert to fraction form
    124,903.77/172,371.33 = 68,315.14/x
  3. Step 3: Cross multiply
    124,903.77x = 172,371.33 × 68,315.14
  4. Step 4: Simplify right side
    124,903.77x = 11,775,571,199.36
  5. Step 5: Solve for x
    x = 11,775,571,199.36/124,903.77
  6. Step 6: Final answer
    x = 94,277.15

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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.