Home / 70,905.40-97,849.25-39,074.29

Finding the Fourth Proportional to 70,905.40, 97,849.25 and 39,074.29

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Solution

The fourth proportional to 70,905.40, 97,849.25 and 39,074.29 is: 53,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.40 : 97,849.25 = 39,074.29 : x
  2. Step 2: Convert to fraction form
    70,905.40/97,849.25 = 39,074.29/x
  3. Step 3: Cross multiply
    70,905.40x = 97,849.25 × 39,074.29
  4. Step 4: Simplify right side
    70,905.40x = 3,823,389,970.78
  5. Step 5: Solve for x
    x = 3,823,389,970.78/70,905.40
  6. Step 6: Final answer
    x = 53,922.41

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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.