Home / 84,045.77-116,096.75-67,168.31

Finding the Fourth Proportional to 84,045.77, 116,096.75 and 67,168.31

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Solution

The fourth proportional to 84,045.77, 116,096.75 and 67,168.31 is: 92,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045.77 : 116,096.75 = 67,168.31 : x
  2. Step 2: Convert to fraction form
    84,045.77/116,096.75 = 67,168.31/x
  3. Step 3: Cross multiply
    84,045.77x = 116,096.75 × 67,168.31
  4. Step 4: Simplify right side
    84,045.77x = 7,798,021,909.14
  5. Step 5: Solve for x
    x = 7,798,021,909.14/84,045.77
  6. Step 6: Final answer
    x = 92,783.04

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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.