Home / 70,387.34-97,134.44-38,121.94

Finding the Fourth Proportional to 70,387.34, 97,134.44 and 38,121.94

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Solution

The fourth proportional to 70,387.34, 97,134.44 and 38,121.94 is: 52,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,387.34 : 97,134.44 = 38,121.94 : x
  2. Step 2: Convert to fraction form
    70,387.34/97,134.44 = 38,121.94/x
  3. Step 3: Cross multiply
    70,387.34x = 97,134.44 × 38,121.94
  4. Step 4: Simplify right side
    70,387.34x = 3,702,952,807.94
  5. Step 5: Solve for x
    x = 3,702,952,807.94/70,387.34
  6. Step 6: Final answer
    x = 52,608.23

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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.