Home / 97,265.62-145,898.40-75,111.30

Finding the Fourth Proportional to 97,265.62, 145,898.40 and 75,111.30

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Solution

The fourth proportional to 97,265.62, 145,898.40 and 75,111.30 is: 112,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,265.62 : 145,898.40 = 75,111.30 : x
  2. Step 2: Convert to fraction form
    97,265.62/145,898.40 = 75,111.30/x
  3. Step 3: Cross multiply
    97,265.62x = 145,898.40 × 75,111.30
  4. Step 4: Simplify right side
    97,265.62x = 10,958,618,491.92
  5. Step 5: Solve for x
    x = 10,958,618,491.92/97,265.62
  6. Step 6: Final answer
    x = 112,666.93

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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.