Home / 84,881.52-117,068.94-54,669.36

Finding the Fourth Proportional to 84,881.52, 117,068.94 and 54,669.36

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Solution

The fourth proportional to 84,881.52, 117,068.94 and 54,669.36 is: 75,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,881.52 : 117,068.94 = 54,669.36 : x
  2. Step 2: Convert to fraction form
    84,881.52/117,068.94 = 54,669.36/x
  3. Step 3: Cross multiply
    84,881.52x = 117,068.94 × 54,669.36
  4. Step 4: Simplify right side
    84,881.52x = 6,400,084,025.68
  5. Step 5: Solve for x
    x = 6,400,084,025.68/84,881.52
  6. Step 6: Final answer
    x = 75,400.21

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1.5x scale

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.