Home / 93,784.28-129,421.68-51,343.52

Finding the Fourth Proportional to 93,784.28, 129,421.68 and 51,343.52

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Solution

The fourth proportional to 93,784.28, 129,421.68 and 51,343.52 is: 70,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,784.28 : 129,421.68 = 51,343.52 : x
  2. Step 2: Convert to fraction form
    93,784.28/129,421.68 = 51,343.52/x
  3. Step 3: Cross multiply
    93,784.28x = 129,421.68 × 51,343.52
  4. Step 4: Simplify right side
    93,784.28x = 6,644,964,615.51
  5. Step 5: Solve for x
    x = 6,644,964,615.51/93,784.28
  6. Step 6: Final answer
    x = 70,853.71

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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.