Home / 124,071.80-171,210.66-67,481.96

Finding the Fourth Proportional to 124,071.80, 171,210.66 and 67,481.96

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Solution

The fourth proportional to 124,071.80, 171,210.66 and 67,481.96 is: 93,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,071.80 : 171,210.66 = 67,481.96 : x
  2. Step 2: Convert to fraction form
    124,071.80/171,210.66 = 67,481.96/x
  3. Step 3: Cross multiply
    124,071.80x = 171,210.66 × 67,481.96
  4. Step 4: Simplify right side
    124,071.80x = 11,553,630,909.69
  5. Step 5: Solve for x
    x = 11,553,630,909.69/124,071.80
  6. Step 6: Final answer
    x = 93,120.52

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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.