Home / 70,905.96-97,850.52-39,074.13

Finding the Fourth Proportional to 70,905.96, 97,850.52 and 39,074.13

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Solution

The fourth proportional to 70,905.96, 97,850.52 and 39,074.13 is: 53,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.96 : 97,850.52 = 39,074.13 : x
  2. Step 2: Convert to fraction form
    70,905.96/97,850.52 = 39,074.13/x
  3. Step 3: Cross multiply
    70,905.96x = 97,850.52 × 39,074.13
  4. Step 4: Simplify right side
    70,905.96x = 3,823,423,939.05
  5. Step 5: Solve for x
    x = 3,823,423,939.05/70,905.96
  6. Step 6: Final answer
    x = 53,922.46

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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.