Home / 58,530.72-80,772.66-31,673.40

Finding the Fourth Proportional to 58,530.72, 80,772.66 and 31,673.40

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Solution

The fourth proportional to 58,530.72, 80,772.66 and 31,673.40 is: 43,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,530.72 : 80,772.66 = 31,673.40 : x
  2. Step 2: Convert to fraction form
    58,530.72/80,772.66 = 31,673.40/x
  3. Step 3: Cross multiply
    58,530.72x = 80,772.66 × 31,673.40
  4. Step 4: Simplify right side
    58,530.72x = 2,558,344,769.24
  5. Step 5: Solve for x
    x = 2,558,344,769.24/58,530.72
  6. Step 6: Final answer
    x = 43,709.44

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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.