Home / 124,971.07-187,221.21-61,717.18

Finding the Fourth Proportional to 124,971.07, 187,221.21 and 61,717.18

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Solution

The fourth proportional to 124,971.07, 187,221.21 and 61,717.18 is: 92,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,971.07 : 187,221.21 = 61,717.18 : x
  2. Step 2: Convert to fraction form
    124,971.07/187,221.21 = 61,717.18/x
  3. Step 3: Cross multiply
    124,971.07x = 187,221.21 × 61,717.18
  4. Step 4: Simplify right side
    124,971.07x = 11,554,765,117.39
  5. Step 5: Solve for x
    x = 11,554,765,117.39/124,971.07
  6. Step 6: Final answer
    x = 92,459.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.