Home / 97,180.86-145,544.49-74,816.76

Finding the Fourth Proportional to 97,180.86, 145,544.49 and 74,816.76

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Solution

The fourth proportional to 97,180.86, 145,544.49 and 74,816.76 is: 112,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,180.86 : 145,544.49 = 74,816.76 : x
  2. Step 2: Convert to fraction form
    97,180.86/145,544.49 = 74,816.76/x
  3. Step 3: Cross multiply
    97,180.86x = 145,544.49 × 74,816.76
  4. Step 4: Simplify right side
    97,180.86x = 10,889,167,177.65
  5. Step 5: Solve for x
    x = 10,889,167,177.65/97,180.86
  6. Step 6: Final answer
    x = 112,050.53

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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.