Home / 79,331.91-118,979.43-23,160.16

Finding the Fourth Proportional to 79,331.91, 118,979.43 and 23,160.16

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Solution

The fourth proportional to 79,331.91, 118,979.43 and 23,160.16 is: 34,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.91 : 118,979.43 = 23,160.16 : x
  2. Step 2: Convert to fraction form
    79,331.91/118,979.43 = 23,160.16/x
  3. Step 3: Cross multiply
    79,331.91x = 118,979.43 × 23,160.16
  4. Step 4: Simplify right side
    79,331.91x = 2,755,582,635.51
  5. Step 5: Solve for x
    x = 2,755,582,635.51/79,331.91
  6. Step 6: Final answer
    x = 34,734.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.