Home / 70,411.25-97,167.56-38,581.37

Finding the Fourth Proportional to 70,411.25, 97,167.56 and 38,581.37

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Solution

The fourth proportional to 70,411.25, 97,167.56 and 38,581.37 is: 53,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,411.25 : 97,167.56 = 38,581.37 : x
  2. Step 2: Convert to fraction form
    70,411.25/97,167.56 = 38,581.37/x
  3. Step 3: Cross multiply
    70,411.25x = 97,167.56 × 38,581.37
  4. Step 4: Simplify right side
    70,411.25x = 3,748,857,391.45
  5. Step 5: Solve for x
    x = 3,748,857,391.45/70,411.25
  6. Step 6: Final answer
    x = 53,242.31

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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.