Home / 53,138.49-73,330.52-29,264.65

Finding the Fourth Proportional to 53,138.49, 73,330.52 and 29,264.65

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Solution

The fourth proportional to 53,138.49, 73,330.52 and 29,264.65 is: 40,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.49 : 73,330.52 = 29,264.65 : x
  2. Step 2: Convert to fraction form
    53,138.49/73,330.52 = 29,264.65/x
  3. Step 3: Cross multiply
    53,138.49x = 73,330.52 × 29,264.65
  4. Step 4: Simplify right side
    53,138.49x = 2,145,991,672.47
  5. Step 5: Solve for x
    x = 2,145,991,672.47/53,138.49
  6. Step 6: Final answer
    x = 40,384.89

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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.