Home / 53,157.10-73,356.84-29,283.78

Finding the Fourth Proportional to 53,157.10, 73,356.84 and 29,283.78

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Solution

The fourth proportional to 53,157.10, 73,356.84 and 29,283.78 is: 40,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,157.10 : 73,356.84 = 29,283.78 : x
  2. Step 2: Convert to fraction form
    53,157.10/73,356.84 = 29,283.78/x
  3. Step 3: Cross multiply
    53,157.10x = 73,356.84 × 29,283.78
  4. Step 4: Simplify right side
    53,157.10x = 2,148,165,564.06
  5. Step 5: Solve for x
    x = 2,148,165,564.06/53,157.10
  6. Step 6: Final answer
    x = 40,411.64

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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.