Home / 70,908.27-97,857.78-39,077.16

Finding the Fourth Proportional to 70,908.27, 97,857.78 and 39,077.16

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Solution

The fourth proportional to 70,908.27, 97,857.78 and 39,077.16 is: 53,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.27 : 97,857.78 = 39,077.16 : x
  2. Step 2: Convert to fraction form
    70,908.27/97,857.78 = 39,077.16/x
  3. Step 3: Cross multiply
    70,908.27x = 97,857.78 × 39,077.16
  4. Step 4: Simplify right side
    70,908.27x = 3,824,004,126.30
  5. Step 5: Solve for x
    x = 3,824,004,126.30/70,908.27
  6. Step 6: Final answer
    x = 53,928.89

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1.5x scale

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.