Home / 70,931.37-97,884.22-39,099.58

Finding the Fourth Proportional to 70,931.37, 97,884.22 and 39,099.58

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Solution

The fourth proportional to 70,931.37, 97,884.22 and 39,099.58 is: 53,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.37 : 97,884.22 = 39,099.58 : x
  2. Step 2: Convert to fraction form
    70,931.37/97,884.22 = 39,099.58/x
  3. Step 3: Cross multiply
    70,931.37x = 97,884.22 × 39,099.58
  4. Step 4: Simplify right side
    70,931.37x = 3,827,231,890.63
  5. Step 5: Solve for x
    x = 3,827,231,890.63/70,931.37
  6. Step 6: Final answer
    x = 53,956.83

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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.