Home / 97,295.04-145,942.56-75,140.73

Finding the Fourth Proportional to 97,295.04, 145,942.56 and 75,140.73

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Solution

The fourth proportional to 97,295.04, 145,942.56 and 75,140.73 is: 112,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,295.04 : 145,942.56 = 75,140.73 : x
  2. Step 2: Convert to fraction form
    97,295.04/145,942.56 = 75,140.73/x
  3. Step 3: Cross multiply
    97,295.04x = 145,942.56 × 75,140.73
  4. Step 4: Simplify right side
    97,295.04x = 10,966,230,496.47
  5. Step 5: Solve for x
    x = 10,966,230,496.47/97,295.04
  6. Step 6: Final answer
    x = 112,711.10

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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.