Home / 70,608.30-97,438.38-40,401.04

Finding the Fourth Proportional to 70,608.30, 97,438.38 and 40,401.04

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Solution

The fourth proportional to 70,608.30, 97,438.38 and 40,401.04 is: 55,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,608.30 : 97,438.38 = 40,401.04 : x
  2. Step 2: Convert to fraction form
    70,608.30/97,438.38 = 40,401.04/x
  3. Step 3: Cross multiply
    70,608.30x = 97,438.38 × 40,401.04
  4. Step 4: Simplify right side
    70,608.30x = 3,936,611,887.92
  5. Step 5: Solve for x
    x = 3,936,611,887.92/70,608.30
  6. Step 6: Final answer
    x = 55,752.82

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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.