Home / 60,717.89-91,062.13-31,120.49

Finding the Fourth Proportional to 60,717.89, 91,062.13 and 31,120.49

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Solution

The fourth proportional to 60,717.89, 91,062.13 and 31,120.49 is: 46,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,717.89 : 91,062.13 = 31,120.49 : x
  2. Step 2: Convert to fraction form
    60,717.89/91,062.13 = 31,120.49/x
  3. Step 3: Cross multiply
    60,717.89x = 91,062.13 × 31,120.49
  4. Step 4: Simplify right side
    60,717.89x = 2,833,898,106.04
  5. Step 5: Solve for x
    x = 2,833,898,106.04/60,717.89
  6. Step 6: Final answer
    x = 46,673.20

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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.