Home / 124,175.89-171,362.70-67,587.67

Finding the Fourth Proportional to 124,175.89, 171,362.70 and 67,587.67

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Solution

The fourth proportional to 124,175.89, 171,362.70 and 67,587.67 is: 93,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,175.89 : 171,362.70 = 67,587.67 : x
  2. Step 2: Convert to fraction form
    124,175.89/171,362.70 = 67,587.67/x
  3. Step 3: Cross multiply
    124,175.89x = 171,362.70 × 67,587.67
  4. Step 4: Simplify right side
    124,175.89x = 11,582,005,617.91
  5. Step 5: Solve for x
    x = 11,582,005,617.91/124,175.89
  6. Step 6: Final answer
    x = 93,270.97

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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.