Home / 43,112.47-64,668.58-13,532.52

Finding the Fourth Proportional to 43,112.47, 64,668.58 and 13,532.52

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Solution

The fourth proportional to 43,112.47, 64,668.58 and 13,532.52 is: 20,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112.47 : 64,668.58 = 13,532.52 : x
  2. Step 2: Convert to fraction form
    43,112.47/64,668.58 = 13,532.52/x
  3. Step 3: Cross multiply
    43,112.47x = 64,668.58 × 13,532.52
  4. Step 4: Simplify right side
    43,112.47x = 875,128,697.14
  5. Step 5: Solve for x
    x = 875,128,697.14/43,112.47
  6. Step 6: Final answer
    x = 20,298.74

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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.