Home / 70,890.20-97,832.94-39,059.08

Finding the Fourth Proportional to 70,890.20, 97,832.94 and 39,059.08

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Solution

The fourth proportional to 70,890.20, 97,832.94 and 39,059.08 is: 53,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.20 : 97,832.94 = 39,059.08 : x
  2. Step 2: Convert to fraction form
    70,890.20/97,832.94 = 39,059.08/x
  3. Step 3: Cross multiply
    70,890.20x = 97,832.94 × 39,059.08
  4. Step 4: Simplify right side
    70,890.20x = 3,821,264,630.10
  5. Step 5: Solve for x
    x = 3,821,264,630.10/70,890.20
  6. Step 6: Final answer
    x = 53,903.99

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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.