Home / 70,840.13-97,759.38-39,008.96

Finding the Fourth Proportional to 70,840.13, 97,759.38 and 39,008.96

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Solution

The fourth proportional to 70,840.13, 97,759.38 and 39,008.96 is: 53,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840.13 : 97,759.38 = 39,008.96 : x
  2. Step 2: Convert to fraction form
    70,840.13/97,759.38 = 39,008.96/x
  3. Step 3: Cross multiply
    70,840.13x = 97,759.38 × 39,008.96
  4. Step 4: Simplify right side
    70,840.13x = 3,813,491,255.25
  5. Step 5: Solve for x
    x = 3,813,491,255.25/70,840.13
  6. Step 6: Final answer
    x = 53,832.36

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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.