Home / 84,894.17-117,154.64-53,081.51

Finding the Fourth Proportional to 84,894.17, 117,154.64 and 53,081.51

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Solution

The fourth proportional to 84,894.17, 117,154.64 and 53,081.51 is: 73,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,894.17 : 117,154.64 = 53,081.51 : x
  2. Step 2: Convert to fraction form
    84,894.17/117,154.64 = 53,081.51/x
  3. Step 3: Cross multiply
    84,894.17x = 117,154.64 × 53,081.51
  4. Step 4: Simplify right side
    84,894.17x = 6,218,744,741.64
  5. Step 5: Solve for x
    x = 6,218,744,741.64/84,894.17
  6. Step 6: Final answer
    x = 73,252.91

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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.