Home / 124,205.76-171,407.52-67,618.08

Finding the Fourth Proportional to 124,205.76, 171,407.52 and 67,618.08

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Solution

The fourth proportional to 124,205.76, 171,407.52 and 67,618.08 is: 93,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,205.76 : 171,407.52 = 67,618.08 : x
  2. Step 2: Convert to fraction form
    124,205.76/171,407.52 = 67,618.08/x
  3. Step 3: Cross multiply
    124,205.76x = 171,407.52 × 67,618.08
  4. Step 4: Simplify right side
    124,205.76x = 11,590,247,399.96
  5. Step 5: Solve for x
    x = 11,590,247,399.96/124,205.76
  6. Step 6: Final answer
    x = 93,314.89

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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.