Home / 53,138.28-73,329.93-29,267.18

Finding the Fourth Proportional to 53,138.28, 73,329.93 and 29,267.18

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Solution

The fourth proportional to 53,138.28, 73,329.93 and 29,267.18 is: 40,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.28 : 73,329.93 = 29,267.18 : x
  2. Step 2: Convert to fraction form
    53,138.28/73,329.93 = 29,267.18/x
  3. Step 3: Cross multiply
    53,138.28x = 73,329.93 × 29,267.18
  4. Step 4: Simplify right side
    53,138.28x = 2,146,159,894.05
  5. Step 5: Solve for x
    x = 2,146,159,894.05/53,138.28
  6. Step 6: Final answer
    x = 40,388.21

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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.