Home / 70,933.92-97,890.90-39,104.88

Finding the Fourth Proportional to 70,933.92, 97,890.90 and 39,104.88

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Solution

The fourth proportional to 70,933.92, 97,890.90 and 39,104.88 is: 53,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.92 : 97,890.90 = 39,104.88 : x
  2. Step 2: Convert to fraction form
    70,933.92/97,890.90 = 39,104.88/x
  3. Step 3: Cross multiply
    70,933.92x = 97,890.90 × 39,104.88
  4. Step 4: Simplify right side
    70,933.92x = 3,828,011,897.59
  5. Step 5: Solve for x
    x = 3,828,011,897.59/70,933.92
  6. Step 6: Final answer
    x = 53,965.89

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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.