Home / 79,425.66-109,514.81-59,247.51

Finding the Fourth Proportional to 79,425.66, 109,514.81 and 59,247.51

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Solution

The fourth proportional to 79,425.66, 109,514.81 and 59,247.51 is: 81,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,425.66 : 109,514.81 = 59,247.51 : x
  2. Step 2: Convert to fraction form
    79,425.66/109,514.81 = 59,247.51/x
  3. Step 3: Cross multiply
    79,425.66x = 109,514.81 × 59,247.51
  4. Step 4: Simplify right side
    79,425.66x = 6,488,479,820.81
  5. Step 5: Solve for x
    x = 6,488,479,820.81/79,425.66
  6. Step 6: Final answer
    x = 81,692.49

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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.