Home / 70,934.87-97,889.05-39,103.08

Finding the Fourth Proportional to 70,934.87, 97,889.05 and 39,103.08

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Solution

The fourth proportional to 70,934.87, 97,889.05 and 39,103.08 is: 53,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,934.87 : 97,889.05 = 39,103.08 : x
  2. Step 2: Convert to fraction form
    70,934.87/97,889.05 = 39,103.08/x
  3. Step 3: Cross multiply
    70,934.87x = 97,889.05 × 39,103.08
  4. Step 4: Simplify right side
    70,934.87x = 3,827,763,353.27
  5. Step 5: Solve for x
    x = 3,827,763,353.27/70,934.87
  6. Step 6: Final answer
    x = 53,961.66

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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.