Home / 62,920.75-94,381.10-43,139.33

Finding the Fourth Proportional to 62,920.75, 94,381.10 and 43,139.33

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Solution

The fourth proportional to 62,920.75, 94,381.10 and 43,139.33 is: 64,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.75 : 94,381.10 = 43,139.33 : x
  2. Step 2: Convert to fraction form
    62,920.75/94,381.10 = 43,139.33/x
  3. Step 3: Cross multiply
    62,920.75x = 94,381.10 × 43,139.33
  4. Step 4: Simplify right side
    62,920.75x = 4,071,537,777.66
  5. Step 5: Solve for x
    x = 4,071,537,777.66/62,920.75
  6. Step 6: Final answer
    x = 64,708.98

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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.