Home / 97,053.05-145,580.49-30,491.71

Finding the Fourth Proportional to 97,053.05, 145,580.49 and 30,491.71

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Solution

The fourth proportional to 97,053.05, 145,580.49 and 30,491.71 is: 45,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,053.05 : 145,580.49 = 30,491.71 : x
  2. Step 2: Convert to fraction form
    97,053.05/145,580.49 = 30,491.71/x
  3. Step 3: Cross multiply
    97,053.05x = 145,580.49 × 30,491.71
  4. Step 4: Simplify right side
    97,053.05x = 4,438,997,718.79
  5. Step 5: Solve for x
    x = 4,438,997,718.79/97,053.05
  6. Step 6: Final answer
    x = 45,737.85

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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.