Home / 70,958.20-97,922.52-39,126.40

Finding the Fourth Proportional to 70,958.20, 97,922.52 and 39,126.40

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Solution

The fourth proportional to 70,958.20, 97,922.52 and 39,126.40 is: 53,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,958.20 : 97,922.52 = 39,126.40 : x
  2. Step 2: Convert to fraction form
    70,958.20/97,922.52 = 39,126.40/x
  3. Step 3: Cross multiply
    70,958.20x = 97,922.52 × 39,126.40
  4. Step 4: Simplify right side
    70,958.20x = 3,831,355,686.53
  5. Step 5: Solve for x
    x = 3,831,355,686.53/70,958.20
  6. Step 6: Final answer
    x = 53,994.54

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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.