Home / 79,312.24-118,979.34-26,736.76

Finding the Fourth Proportional to 79,312.24, 118,979.34 and 26,736.76

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Solution

The fourth proportional to 79,312.24, 118,979.34 and 26,736.76 is: 40,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,312.24 : 118,979.34 = 26,736.76 : x
  2. Step 2: Convert to fraction form
    79,312.24/118,979.34 = 26,736.76/x
  3. Step 3: Cross multiply
    79,312.24x = 118,979.34 × 26,736.76
  4. Step 4: Simplify right side
    79,312.24x = 3,181,122,058.54
  5. Step 5: Solve for x
    x = 3,181,122,058.54/79,312.24
  6. Step 6: Final answer
    x = 40,108.84

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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.