Home / 97,039.92-145,558.52-30,484.05

Finding the Fourth Proportional to 97,039.92, 145,558.52 and 30,484.05

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Solution

The fourth proportional to 97,039.92, 145,558.52 and 30,484.05 is: 45,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,039.92 : 145,558.52 = 30,484.05 : x
  2. Step 2: Convert to fraction form
    97,039.92/145,558.52 = 30,484.05/x
  3. Step 3: Cross multiply
    97,039.92x = 145,558.52 × 30,484.05
  4. Step 4: Simplify right side
    97,039.92x = 4,437,212,617.66
  5. Step 5: Solve for x
    x = 4,437,212,617.66/97,039.92
  6. Step 6: Final answer
    x = 45,725.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.