Home / 84,047.65-116,099.34-67,170.19

Finding the Fourth Proportional to 84,047.65, 116,099.34 and 67,170.19

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Solution

The fourth proportional to 84,047.65, 116,099.34 and 67,170.19 is: 92,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,047.65 : 116,099.34 = 67,170.19 : x
  2. Step 2: Convert to fraction form
    84,047.65/116,099.34 = 67,170.19/x
  3. Step 3: Cross multiply
    84,047.65x = 116,099.34 × 67,170.19
  4. Step 4: Simplify right side
    84,047.65x = 7,798,414,726.67
  5. Step 5: Solve for x
    x = 7,798,414,726.67/84,047.65
  6. Step 6: Final answer
    x = 92,785.64

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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.