Home / 79,516.47-109,733.58-43,217.91

Finding the Fourth Proportional to 79,516.47, 109,733.58 and 43,217.91

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Solution

The fourth proportional to 79,516.47, 109,733.58 and 43,217.91 is: 59,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.47 : 109,733.58 = 43,217.91 : x
  2. Step 2: Convert to fraction form
    79,516.47/109,733.58 = 43,217.91/x
  3. Step 3: Cross multiply
    79,516.47x = 109,733.58 × 43,217.91
  4. Step 4: Simplify right side
    79,516.47x = 4,742,455,984.42
  5. Step 5: Solve for x
    x = 4,742,455,984.42/79,516.47
  6. Step 6: Final answer
    x = 59,641.18

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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.