Home / 82,918.74-114,430.95-47,114.82

Finding the Fourth Proportional to 82,918.74, 114,430.95 and 47,114.82

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Solution

The fourth proportional to 82,918.74, 114,430.95 and 47,114.82 is: 65,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,918.74 : 114,430.95 = 47,114.82 : x
  2. Step 2: Convert to fraction form
    82,918.74/114,430.95 = 47,114.82/x
  3. Step 3: Cross multiply
    82,918.74x = 114,430.95 × 47,114.82
  4. Step 4: Simplify right side
    82,918.74x = 5,391,393,611.68
  5. Step 5: Solve for x
    x = 5,391,393,611.68/82,918.74
  6. Step 6: Final answer
    x = 65,020.21

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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.