Home / 58,665.28-80,936.85-38,533.09

Finding the Fourth Proportional to 58,665.28, 80,936.85 and 38,533.09

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Solution

The fourth proportional to 58,665.28, 80,936.85 and 38,533.09 is: 53,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,665.28 : 80,936.85 = 38,533.09 : x
  2. Step 2: Convert to fraction form
    58,665.28/80,936.85 = 38,533.09/x
  3. Step 3: Cross multiply
    58,665.28x = 80,936.85 × 38,533.09
  4. Step 4: Simplify right side
    58,665.28x = 3,118,746,925.37
  5. Step 5: Solve for x
    x = 3,118,746,925.37/58,665.28
  6. Step 6: Final answer
    x = 53,161.72

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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.