Home / 79,344.64-109,498.67-43,536.16

Finding the Fourth Proportional to 79,344.64, 109,498.67 and 43,536.16

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Solution

The fourth proportional to 79,344.64, 109,498.67 and 43,536.16 is: 60,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344.64 : 109,498.67 = 43,536.16 : x
  2. Step 2: Convert to fraction form
    79,344.64/109,498.67 = 43,536.16/x
  3. Step 3: Cross multiply
    79,344.64x = 109,498.67 × 43,536.16
  4. Step 4: Simplify right side
    79,344.64x = 4,767,151,616.91
  5. Step 5: Solve for x
    x = 4,767,151,616.91/79,344.64
  6. Step 6: Final answer
    x = 60,081.58

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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.