Home / 84,540.51-116,656.07-48,730.28

Finding the Fourth Proportional to 84,540.51, 116,656.07 and 48,730.28

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Solution

The fourth proportional to 84,540.51, 116,656.07 and 48,730.28 is: 67,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,540.51 : 116,656.07 = 48,730.28 : x
  2. Step 2: Convert to fraction form
    84,540.51/116,656.07 = 48,730.28/x
  3. Step 3: Cross multiply
    84,540.51x = 116,656.07 × 48,730.28
  4. Step 4: Simplify right side
    84,540.51x = 5,684,682,127.87
  5. Step 5: Solve for x
    x = 5,684,682,127.87/84,540.51
  6. Step 6: Final answer
    x = 67,242.11

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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.