Home / 124,206.57-171,405.09-67,617.95

Finding the Fourth Proportional to 124,206.57, 171,405.09 and 67,617.95

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Solution

The fourth proportional to 124,206.57, 171,405.09 and 67,617.95 is: 93,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.57 : 171,405.09 = 67,617.95 : x
  2. Step 2: Convert to fraction form
    124,206.57/171,405.09 = 67,617.95/x
  3. Step 3: Cross multiply
    124,206.57x = 171,405.09 × 67,617.95
  4. Step 4: Simplify right side
    124,206.57x = 11,590,059,948.34
  5. Step 5: Solve for x
    x = 11,590,059,948.34/124,206.57
  6. Step 6: Final answer
    x = 93,312.78

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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.