Home / 70,933.40-97,888.05-39,102.83

Finding the Fourth Proportional to 70,933.40, 97,888.05 and 39,102.83

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Solution

The fourth proportional to 70,933.40, 97,888.05 and 39,102.83 is: 53,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.40 : 97,888.05 = 39,102.83 : x
  2. Step 2: Convert to fraction form
    70,933.40/97,888.05 = 39,102.83/x
  3. Step 3: Cross multiply
    70,933.40x = 97,888.05 × 39,102.83
  4. Step 4: Simplify right side
    70,933.40x = 3,827,699,778.18
  5. Step 5: Solve for x
    x = 3,827,699,778.18/70,933.40
  6. Step 6: Final answer
    x = 53,961.88

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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.