Home / 84,810.54-117,040.41-48,013.68

Finding the Fourth Proportional to 84,810.54, 117,040.41 and 48,013.68

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Solution

The fourth proportional to 84,810.54, 117,040.41 and 48,013.68 is: 66,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,810.54 : 117,040.41 = 48,013.68 : x
  2. Step 2: Convert to fraction form
    84,810.54/117,040.41 = 48,013.68/x
  3. Step 3: Cross multiply
    84,810.54x = 117,040.41 × 48,013.68
  4. Step 4: Simplify right side
    84,810.54x = 5,619,540,792.81
  5. Step 5: Solve for x
    x = 5,619,540,792.81/84,810.54
  6. Step 6: Final answer
    x = 66,259.93

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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.