Home / 70,937.27-97,894.08-39,107.30

Finding the Fourth Proportional to 70,937.27, 97,894.08 and 39,107.30

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Solution

The fourth proportional to 70,937.27, 97,894.08 and 39,107.30 is: 53,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.27 : 97,894.08 = 39,107.30 : x
  2. Step 2: Convert to fraction form
    70,937.27/97,894.08 = 39,107.30/x
  3. Step 3: Cross multiply
    70,937.27x = 97,894.08 × 39,107.30
  4. Step 4: Simplify right side
    70,937.27x = 3,828,373,154.78
  5. Step 5: Solve for x
    x = 3,828,373,154.78/70,937.27
  6. Step 6: Final answer
    x = 53,968.43

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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.