Home / 70,741.89-97,624.04-38,912.81

Finding the Fourth Proportional to 70,741.89, 97,624.04 and 38,912.81

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Solution

The fourth proportional to 70,741.89, 97,624.04 and 38,912.81 is: 53,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.89 : 97,624.04 = 38,912.81 : x
  2. Step 2: Convert to fraction form
    70,741.89/97,624.04 = 38,912.81/x
  3. Step 3: Cross multiply
    70,741.89x = 97,624.04 × 38,912.81
  4. Step 4: Simplify right side
    70,741.89x = 3,798,825,037.27
  5. Step 5: Solve for x
    x = 3,798,825,037.27/70,741.89
  6. Step 6: Final answer
    x = 53,699.80

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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.