Home / 84,131.28-116,102.75-45,892.19

Finding the Fourth Proportional to 84,131.28, 116,102.75 and 45,892.19

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Solution

The fourth proportional to 84,131.28, 116,102.75 and 45,892.19 is: 63,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,131.28 : 116,102.75 = 45,892.19 : x
  2. Step 2: Convert to fraction form
    84,131.28/116,102.75 = 45,892.19/x
  3. Step 3: Cross multiply
    84,131.28x = 116,102.75 × 45,892.19
  4. Step 4: Simplify right side
    84,131.28x = 5,328,209,523.32
  5. Step 5: Solve for x
    x = 5,328,209,523.32/84,131.28
  6. Step 6: Final answer
    x = 63,332.09

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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.