Home / 124,707.44-187,058.96-40,470

Finding the Fourth Proportional to 124,707.44, 187,058.96 and 40,470

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Solution

The fourth proportional to 124,707.44, 187,058.96 and 40,470 is: 60,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,707.44 : 187,058.96 = 40,470 : x
  2. Step 2: Convert to fraction form
    124,707.44/187,058.96 = 40,470/x
  3. Step 3: Cross multiply
    124,707.44x = 187,058.96 × 40,470
  4. Step 4: Simplify right side
    124,707.44x = 7,570,276,111.20
  5. Step 5: Solve for x
    x = 7,570,276,111.20/124,707.44
  6. Step 6: Final answer
    x = 60,704.29

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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.