Home / 124,188.13-171,379.64-67,599.50

Finding the Fourth Proportional to 124,188.13, 171,379.64 and 67,599.50

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Solution

The fourth proportional to 124,188.13, 171,379.64 and 67,599.50 is: 93,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,188.13 : 171,379.64 = 67,599.50 : x
  2. Step 2: Convert to fraction form
    124,188.13/171,379.64 = 67,599.50/x
  3. Step 3: Cross multiply
    124,188.13x = 171,379.64 × 67,599.50
  4. Step 4: Simplify right side
    124,188.13x = 11,585,177,636.18
  5. Step 5: Solve for x
    x = 11,585,177,636.18/124,188.13
  6. Step 6: Final answer
    x = 93,287.32

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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.