Home / 70,382.21-97,127.48-38,551.64

Finding the Fourth Proportional to 70,382.21, 97,127.48 and 38,551.64

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Solution

The fourth proportional to 70,382.21, 97,127.48 and 38,551.64 is: 53,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382.21 : 97,127.48 = 38,551.64 : x
  2. Step 2: Convert to fraction form
    70,382.21/97,127.48 = 38,551.64/x
  3. Step 3: Cross multiply
    70,382.21x = 97,127.48 × 38,551.64
  4. Step 4: Simplify right side
    70,382.21x = 3,744,423,450.31
  5. Step 5: Solve for x
    x = 3,744,423,450.31/70,382.21
  6. Step 6: Final answer
    x = 53,201.28

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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.