Home / 70,913.38-97,858.52-39,082.26

Finding the Fourth Proportional to 70,913.38, 97,858.52 and 39,082.26

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Solution

The fourth proportional to 70,913.38, 97,858.52 and 39,082.26 is: 53,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.38 : 97,858.52 = 39,082.26 : x
  2. Step 2: Convert to fraction form
    70,913.38/97,858.52 = 39,082.26/x
  3. Step 3: Cross multiply
    70,913.38x = 97,858.52 × 39,082.26
  4. Step 4: Simplify right side
    70,913.38x = 3,824,532,121.86
  5. Step 5: Solve for x
    x = 3,824,532,121.86/70,913.38
  6. Step 6: Final answer
    x = 53,932.45

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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.