Home / 84,892.11-117,102.33-53,005.65

Finding the Fourth Proportional to 84,892.11, 117,102.33 and 53,005.65

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Solution

The fourth proportional to 84,892.11, 117,102.33 and 53,005.65 is: 73,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,892.11 : 117,102.33 = 53,005.65 : x
  2. Step 2: Convert to fraction form
    84,892.11/117,102.33 = 53,005.65/x
  3. Step 3: Cross multiply
    84,892.11x = 117,102.33 × 53,005.65
  4. Step 4: Simplify right side
    84,892.11x = 6,207,085,118.16
  5. Step 5: Solve for x
    x = 6,207,085,118.16/84,892.11
  6. Step 6: Final answer
    x = 73,117.34

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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.