Home / 70,922.80-97,872.98-39,091.72

Finding the Fourth Proportional to 70,922.80, 97,872.98 and 39,091.72

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Solution

The fourth proportional to 70,922.80, 97,872.98 and 39,091.72 is: 53,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,922.80 : 97,872.98 = 39,091.72 : x
  2. Step 2: Convert to fraction form
    70,922.80/97,872.98 = 39,091.72/x
  3. Step 3: Cross multiply
    70,922.80x = 97,872.98 × 39,091.72
  4. Step 4: Simplify right side
    70,922.80x = 3,826,023,129.73
  5. Step 5: Solve for x
    x = 3,826,023,129.73/70,922.80
  6. Step 6: Final answer
    x = 53,946.31

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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.